261989280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 432

約数和(自身を含む): 1075576320

約数和(自身を除く): 813587040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 49, 56, 60, 63, 70, 72, 79, 80, 84, 90, 94, 96, 98, 105, 112, 120, 126, 140, 141, 144, 147, 158, 160, 168, 180, 188, 196, 210, 224, 235, 237, 240, 245, 252, 280, 282, 288, 294, 315, 316, 329, 336, 360, 376, 392, 395, 420, 423, 441, 470, 474, 480, 490, 504, 553, 560, 564, 588, 630, 632, 658, 672, 705, 711, 720, 735, 752, 784, 790, 840, 846, 882, 940, 948, 980, 987, 1008, 1106, 1120, 1128, 1176, 1185, 1260, 1264, 1316, 1410, 1422, 1440, 1470, 1504, 1568, 1580, 1645, 1659, 1680, 1692, 1764, 1880, 1896, 1960, 1974, 2016, 2115, 2205, 2212, 2256, 2303, 2352, 2370, 2520, 2528, 2632, 2765, 2820, 2844, 2940, 2961, 3160, 3290, 3318, 3360, 3384, 3528, 3555, 3713, 3760, 3792, 3871, 3920, 3948, 4230, 4410, 4424, 4512, 4606, 4704, 4740, 4935, 4977, 5040, 5264, 5530, 5640, 5688, 5880, 5922, 6320, 6580, 6636, 6768, 6909, 7056, 7110, 7426, 7520, 7584, 7742, 7840, 7896, 8295, 8460, 8820, 8848, 9212, 9480, 9870, 9954, 10080, 10528, 11060, 11139, 11280, 11376, 11515, 11613, 11760, 11844, 12640, 13160, 13272, 13536, 13818, 14112, 14220, 14805, 14852, 15484, 15792, 16590, 16920, 17640, 17696, 18424, 18565, 18960, 19355, 19740, 19908, 20727, 22120, 22278, 22560, 22752, 23030, 23226, 23520, 23688, 24885, 25991, 26320, 26544, 27636, 28440, 29610, 29704, 30968, 31584, 33180, 33417, 33840, 34545, 34839, 35280, 36848, 37130, 37920, 38710, 39480, 39816, 41454, 44240, 44556, 46060, 46452, 47376, 49770, 51982, 52640, 53088, 55272, 55695, 56880, 58065, 59220, 59408, 61936, 66360, 66834, 67680, 69090, 69678, 70560, 73696, 74260, 77420, 77973, 78960, 79632, 82908, 88480, 89112, 92120, 92904, 94752, 99540, 103635, 103964, 110544, 111390, 113760, 116130, 118440, 118816, 123872, 129955, 132720, 133668, 138180, 139356, 148520, 154840, 155946, 157920, 159264, 165816, 167085, 174195, 178224, 181937, 184240, 185808, 199080, 207270, 207928, 221088, 222780, 232260, 233919, 236880, 259910, 265440, 267336, 276360, 278712, 297040, 309680, 311892, 331632, 334170, 348390, 356448, 363874, 368480, 371616, 389865, 398160, 414540, 415856, 445560, 464520, 467838, 473760, 519820, 534672, 545811, 552720, 557424, 594080, 619360, 623784, 663264, 668340, 696780, 727748, 779730, 796320, 829080, 831712, 891120, 909685, 929040, 935676, 1039640, 1069344, 1091622, 1105440, 1114848, 1169595, 1247568, 1336680, 1393560, 1455496, 1559460, 1637433, 1658160, 1782240, 1819370, 1858080, 1871352, 2079280, 2183244, 2339190, 2495136, 2673360, 2729055, 2787120, 2910992, 3118920, 3274866, 3316320, 3638740, 3742704, 4158560, 4366488, 4678380, 5346720, 5458110, 5574240, 5821984, 6237840, 6549732, 7277480, 7485408, 8187165, 8732976, 9356760, 10916220, 12475680, 13099464, 14554960, 16374330, 17465952, 18713520, 21832440, 26198928, 29109920, 32748660, 37427040, 43664880, 52397856, 65497320, 87329760, 130994640, 261989280]

約数ペア:

[(1, 261989280), (2, 130994640), (3, 87329760), (4, 65497320), (5, 52397856), (6, 43664880), (7, 37427040), (8, 32748660), (9, 29109920), (10, 26198928), (12, 21832440), (14, 18713520), (15, 17465952), (16, 16374330), (18, 14554960), (20, 13099464), (21, 12475680), (24, 10916220), (28, 9356760), (30, 8732976), (32, 8187165), (35, 7485408), (36, 7277480), (40, 6549732), (42, 6237840), (45, 5821984), (47, 5574240), (48, 5458110), (49, 5346720), (56, 4678380), (60, 4366488), (63, 4158560), (70, 3742704), (72, 3638740), (79, 3316320), (80, 3274866), (84, 3118920), (90, 2910992), (94, 2787120), (96, 2729055), (98, 2673360), (105, 2495136), (112, 2339190), (120, 2183244), (126, 2079280), (140, 1871352), (141, 1858080), (144, 1819370), (147, 1782240), (158, 1658160), (160, 1637433), (168, 1559460), (180, 1455496), (188, 1393560), (196, 1336680), (210, 1247568), (224, 1169595), (235, 1114848), (237, 1105440), (240, 1091622), (245, 1069344), (252, 1039640), (280, 935676), (282, 929040), (288, 909685), (294, 891120), (315, 831712), (316, 829080), (329, 796320), (336, 779730), (360, 727748), (376, 696780), (392, 668340), (395, 663264), (420, 623784), (423, 619360), (441, 594080), (470, 557424), (474, 552720), (480, 545811), (490, 534672), (504, 519820), (553, 473760), (560, 467838), (564, 464520), (588, 445560), (630, 415856), (632, 414540), (658, 398160), (672, 389865), (705, 371616), (711, 368480), (720, 363874), (735, 356448), (752, 348390), (784, 334170), (790, 331632), (840, 311892), (846, 309680), (882, 297040), (940, 278712), (948, 276360), (980, 267336), (987, 265440), (1008, 259910), (1106, 236880), (1120, 233919), (1128, 232260), (1176, 222780), (1185, 221088), (1260, 207928), (1264, 207270), (1316, 199080), (1410, 185808), (1422, 184240), (1440, 181937), (1470, 178224), (1504, 174195), (1568, 167085), (1580, 165816), (1645, 159264), (1659, 157920), (1680, 155946), (1692, 154840), (1764, 148520), (1880, 139356), (1896, 138180), (1960, 133668), (1974, 132720), (2016, 129955), (2115, 123872), (2205, 118816), (2212, 118440), (2256, 116130), (2303, 113760), (2352, 111390), (2370, 110544), (2520, 103964), (2528, 103635), (2632, 99540), (2765, 94752), (2820, 92904), (2844, 92120), (2940, 89112), (2961, 88480), (3160, 82908), (3290, 79632), (3318, 78960), (3360, 77973), (3384, 77420), (3528, 74260), (3555, 73696), (3713, 70560), (3760, 69678), (3792, 69090), (3871, 67680), (3920, 66834), (3948, 66360), (4230, 61936), (4410, 59408), (4424, 59220), (4512, 58065), (4606, 56880), (4704, 55695), (4740, 55272), (4935, 53088), (4977, 52640), (5040, 51982), (5264, 49770), (5530, 47376), (5640, 46452), (5688, 46060), (5880, 44556), (5922, 44240), (6320, 41454), (6580, 39816), (6636, 39480), (6768, 38710), (6909, 37920), (7056, 37130), (7110, 36848), (7426, 35280), (7520, 34839), (7584, 34545), (7742, 33840), (7840, 33417), (7896, 33180), (8295, 31584), (8460, 30968), (8820, 29704), (8848, 29610), (9212, 28440), (9480, 27636), (9870, 26544), (9954, 26320), (10080, 25991), (10528, 24885), (11060, 23688), (11139, 23520), (11280, 23226), (11376, 23030), (11515, 22752), (11613, 22560), (11760, 22278), (11844, 22120), (12640, 20727), (13160, 19908), (13272, 19740), (13536, 19355), (13818, 18960), (14112, 18565), (14220, 18424), (14805, 17696), (14852, 17640), (15484, 16920), (15792, 16590)]