281163960

素因数分解:

$2^3\times 3^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 640

約数和(自身を含む): 1254528000

約数和(自身を除く): 973364040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 46, 49, 54, 55, 56, 60, 63, 66, 69, 70, 72, 77, 81, 84, 88, 90, 92, 98, 99, 105, 108, 110, 115, 120, 126, 132, 135, 138, 140, 147, 154, 161, 162, 165, 168, 180, 184, 189, 196, 198, 207, 210, 216, 220, 230, 231, 245, 252, 253, 264, 270, 276, 280, 294, 297, 308, 315, 322, 324, 330, 343, 345, 360, 378, 385, 392, 396, 405, 414, 420, 440, 441, 460, 462, 483, 490, 495, 504, 506, 539, 540, 552, 567, 588, 594, 616, 621, 630, 644, 648, 660, 686, 690, 693, 735, 756, 759, 770, 792, 805, 810, 828, 840, 882, 891, 920, 924, 945, 966, 980, 990, 1012, 1029, 1035, 1078, 1080, 1127, 1134, 1155, 1176, 1188, 1242, 1260, 1265, 1288, 1320, 1323, 1372, 1380, 1386, 1449, 1470, 1485, 1512, 1518, 1540, 1610, 1617, 1620, 1656, 1715, 1764, 1771, 1782, 1848, 1863, 1890, 1932, 1960, 1980, 2024, 2058, 2070, 2079, 2156, 2205, 2254, 2268, 2277, 2310, 2376, 2415, 2484, 2520, 2530, 2646, 2695, 2744, 2760, 2772, 2835, 2898, 2940, 2970, 3036, 3080, 3087, 3105, 3220, 3234, 3240, 3381, 3430, 3465, 3528, 3542, 3564, 3726, 3773, 3780, 3795, 3864, 3960, 3969, 4116, 4140, 4158, 4312, 4347, 4410, 4455, 4508, 4536, 4554, 4620, 4830, 4851, 4968, 5060, 5145, 5292, 5313, 5390, 5544, 5635, 5670, 5796, 5880, 5940, 6072, 6174, 6210, 6237, 6440, 6468, 6615, 6762, 6831, 6860, 6930, 7084, 7128, 7245, 7452, 7546, 7560, 7590, 7889, 7938, 8085, 8232, 8280, 8316, 8694, 8820, 8855, 8910, 9016, 9108, 9240, 9261, 9315, 9660, 9702, 10120, 10143, 10290, 10395, 10584, 10626, 10780, 11270, 11319, 11340, 11385, 11592, 11880, 12348, 12397, 12420, 12474, 12936, 13041, 13230, 13524, 13662, 13720, 13860, 14168, 14490, 14553, 14904, 15092, 15180, 15435, 15778, 15876, 15939, 16170, 16632, 16905, 17388, 17640, 17710, 17820, 18216, 18522, 18630, 18865, 19320, 19404, 19845, 20286, 20493, 20580, 20790, 21252, 21560, 21735, 22540, 22638, 22680, 22770, 23667, 24255, 24696, 24794, 24840, 24948, 26082, 26460, 26565, 27048, 27324, 27720, 27783, 28980, 29106, 30184, 30360, 30429, 30870, 31185, 31556, 31752, 31878, 32340, 33810, 33957, 34155, 34776, 35420, 35640, 37044, 37191, 37260, 37730, 38808, 39445, 39690, 40572, 40986, 41160, 41580, 42504, 43470, 43659, 45080, 45276, 45540, 46305, 47334, 47817, 48510, 49588, 49896, 50715, 52164, 52920, 53130, 54648, 55566, 56595, 57960, 58212, 60858, 61740, 61985, 62370, 63112, 63756, 64680, 65205, 67620, 67914, 68310, 70840, 71001, 72765, 74088, 74382, 74520, 75460, 78890, 79380, 79695, 81144, 81972, 83160, 86779, 86940, 87318, 90552, 91080, 91287, 92610, 94668, 95634, 97020, 99176, 101430, 101871, 102465, 104328, 106260, 111132, 111573, 113190, 116424, 118335, 121716, 123480, 123970, 124740, 127512, 130410, 135240, 135828, 136620, 138915, 142002, 143451, 145530, 148764, 150920, 152145, 157780, 158760, 159390, 163944, 169785, 173558, 173880, 174636, 182574, 185220, 185955, 189336, 191268, 194040, 202860, 203742, 204930, 212520, 213003, 218295, 222264, 223146, 226380, 236670, 239085, 243432, 247940, 249480, 260337, 260820, 271656, 273240, 277830, 284004, 286902, 291060, 297528, 304290, 305613, 315560, 318780, 334719, 339570, 347116, 349272, 355005, 365148, 370440, 371910, 382536, 405720, 407484, 409860, 426006, 433895, 436590, 446292, 452760, 456435, 473340, 478170, 495880, 509355, 520674, 521640, 555660, 557865, 568008, 573804, 582120, 608580, 611226, 637560, 639009, 669438, 679140, 694232, 710010, 717255, 730296, 743820, 781011, 814968, 819720, 852012, 867790, 873180, 892584, 912870, 946680, 956340, 1004157, 1018710, 1041348, 1065015, 1111320, 1115730, 1147608, 1217160, 1222452, 1278018, 1301685, 1338876, 1358280, 1420020, 1434510, 1487640, 1528065, 1562022, 1673595, 1704024, 1735580, 1746360, 1825740, 1912680, 2008314, 2037420, 2082696, 2130030, 2231460, 2343033, 2444904, 2556036, 2603370, 2677752, 2840040, 2869020, 3056130, 3124044, 3195045, 3347190, 3471160, 3651480, 3905055, 4016628, 4074840, 4260060, 4462920, 4686066, 5020785, 5112072, 5206740, 5738040, 6112260, 6248088, 6390090, 6694380, 7029099, 7810110, 8033256, 8520120, 9372132, 10041570, 10413480, 11715165, 12224520, 12780180, 13388760, 14058198, 15620220, 18744264, 20083140, 23430330, 25560360, 28116396, 31240440, 35145495, 40166280, 46860660, 56232792, 70290990, 93721320, 140581980, 281163960]

約数ペア:

[(1, 281163960), (2, 140581980), (3, 93721320), (4, 70290990), (5, 56232792), (6, 46860660), (7, 40166280), (8, 35145495), (9, 31240440), (10, 28116396), (11, 25560360), (12, 23430330), (14, 20083140), (15, 18744264), (18, 15620220), (20, 14058198), (21, 13388760), (22, 12780180), (23, 12224520), (24, 11715165), (27, 10413480), (28, 10041570), (30, 9372132), (33, 8520120), (35, 8033256), (36, 7810110), (40, 7029099), (42, 6694380), (44, 6390090), (45, 6248088), (46, 6112260), (49, 5738040), (54, 5206740), (55, 5112072), (56, 5020785), (60, 4686066), (63, 4462920), (66, 4260060), (69, 4074840), (70, 4016628), (72, 3905055), (77, 3651480), (81, 3471160), (84, 3347190), (88, 3195045), (90, 3124044), (92, 3056130), (98, 2869020), (99, 2840040), (105, 2677752), (108, 2603370), (110, 2556036), (115, 2444904), (120, 2343033), (126, 2231460), (132, 2130030), (135, 2082696), (138, 2037420), (140, 2008314), (147, 1912680), (154, 1825740), (161, 1746360), (162, 1735580), (165, 1704024), (168, 1673595), (180, 1562022), (184, 1528065), (189, 1487640), (196, 1434510), (198, 1420020), (207, 1358280), (210, 1338876), (216, 1301685), (220, 1278018), (230, 1222452), (231, 1217160), (245, 1147608), (252, 1115730), (253, 1111320), (264, 1065015), (270, 1041348), (276, 1018710), (280, 1004157), (294, 956340), (297, 946680), (308, 912870), (315, 892584), (322, 873180), (324, 867790), (330, 852012), (343, 819720), (345, 814968), (360, 781011), (378, 743820), (385, 730296), (392, 717255), (396, 710010), (405, 694232), (414, 679140), (420, 669438), (440, 639009), (441, 637560), (460, 611226), (462, 608580), (483, 582120), (490, 573804), (495, 568008), (504, 557865), (506, 555660), (539, 521640), (540, 520674), (552, 509355), (567, 495880), (588, 478170), (594, 473340), (616, 456435), (621, 452760), (630, 446292), (644, 436590), (648, 433895), (660, 426006), (686, 409860), (690, 407484), (693, 405720), (735, 382536), (756, 371910), (759, 370440), (770, 365148), (792, 355005), (805, 349272), (810, 347116), (828, 339570), (840, 334719), (882, 318780), (891, 315560), (920, 305613), (924, 304290), (945, 297528), (966, 291060), (980, 286902), (990, 284004), (1012, 277830), (1029, 273240), (1035, 271656), (1078, 260820), (1080, 260337), (1127, 249480), (1134, 247940), (1155, 243432), (1176, 239085), (1188, 236670), (1242, 226380), (1260, 223146), (1265, 222264), (1288, 218295), (1320, 213003), (1323, 212520), (1372, 204930), (1380, 203742), (1386, 202860), (1449, 194040), (1470, 191268), (1485, 189336), (1512, 185955), (1518, 185220), (1540, 182574), (1610, 174636), (1617, 173880), (1620, 173558), (1656, 169785), (1715, 163944), (1764, 159390), (1771, 158760), (1782, 157780), (1848, 152145), (1863, 150920), (1890, 148764), (1932, 145530), (1960, 143451), (1980, 142002), (2024, 138915), (2058, 136620), (2070, 135828), (2079, 135240), (2156, 130410), (2205, 127512), (2254, 124740), (2268, 123970), (2277, 123480), (2310, 121716), (2376, 118335), (2415, 116424), (2484, 113190), (2520, 111573), (2530, 111132), (2646, 106260), (2695, 104328), (2744, 102465), (2760, 101871), (2772, 101430), (2835, 99176), (2898, 97020), (2940, 95634), (2970, 94668), (3036, 92610), (3080, 91287), (3087, 91080), (3105, 90552), (3220, 87318), (3234, 86940), (3240, 86779), (3381, 83160), (3430, 81972), (3465, 81144), (3528, 79695), (3542, 79380), (3564, 78890), (3726, 75460), (3773, 74520), (3780, 74382), (3795, 74088), (3864, 72765), (3960, 71001), (3969, 70840), (4116, 68310), (4140, 67914), (4158, 67620), (4312, 65205), (4347, 64680), (4410, 63756), (4455, 63112), (4508, 62370), (4536, 61985), (4554, 61740), (4620, 60858), (4830, 58212), (4851, 57960), (4968, 56595), (5060, 55566), (5145, 54648), (5292, 53130), (5313, 52920), (5390, 52164), (5544, 50715), (5635, 49896), (5670, 49588), (5796, 48510), (5880, 47817), (5940, 47334), (6072, 46305), (6174, 45540), (6210, 45276), (6237, 45080), (6440, 43659), (6468, 43470), (6615, 42504), (6762, 41580), (6831, 41160), (6860, 40986), (6930, 40572), (7084, 39690), (7128, 39445), (7245, 38808), (7452, 37730), (7546, 37260), (7560, 37191), (7590, 37044), (7889, 35640), (7938, 35420), (8085, 34776), (8232, 34155), (8280, 33957), (8316, 33810), (8694, 32340), (8820, 31878), (8855, 31752), (8910, 31556), (9016, 31185), (9108, 30870), (9240, 30429), (9261, 30360), (9315, 30184), (9660, 29106), (9702, 28980), (10120, 27783), (10143, 27720), (10290, 27324), (10395, 27048), (10584, 26565), (10626, 26460), (10780, 26082), (11270, 24948), (11319, 24840), (11340, 24794), (11385, 24696), (11592, 24255), (11880, 23667), (12348, 22770), (12397, 22680), (12420, 22638), (12474, 22540), (12936, 21735), (13041, 21560), (13230, 21252), (13524, 20790), (13662, 20580), (13720, 20493), (13860, 20286), (14168, 19845), (14490, 19404), (14553, 19320), (14904, 18865), (15092, 18630), (15180, 18522), (15435, 18216), (15778, 17820), (15876, 17710), (15939, 17640), (16170, 17388), (16632, 16905)]