657125280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 432

約数和(自身を含む): 2666532960

約数和(自身を除く): 2009407680

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, 48, 49, 56, 60, 63, 67, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 134, 139, 140, 144, 147, 160, 168, 180, 196, 201, 210, 224, 240, 245, 252, 268, 278, 280, 288, 294, 315, 335, 336, 360, 392, 402, 417, 420, 441, 469, 480, 490, 504, 536, 556, 560, 588, 603, 630, 670, 672, 695, 720, 735, 784, 804, 834, 840, 882, 938, 973, 980, 1005, 1008, 1072, 1112, 1120, 1176, 1206, 1251, 1260, 1340, 1390, 1407, 1440, 1470, 1568, 1608, 1668, 1680, 1764, 1876, 1946, 1960, 2010, 2016, 2085, 2144, 2205, 2224, 2345, 2352, 2412, 2502, 2520, 2680, 2780, 2814, 2919, 2940, 3015, 3216, 3283, 3336, 3360, 3528, 3752, 3892, 3920, 4020, 4170, 4221, 4410, 4448, 4690, 4704, 4824, 4865, 5004, 5040, 5360, 5560, 5628, 5838, 5880, 6030, 6255, 6432, 6566, 6672, 6811, 7035, 7056, 7504, 7784, 7840, 8040, 8340, 8442, 8757, 8820, 9313, 9380, 9648, 9730, 9849, 10008, 10080, 10720, 11120, 11256, 11676, 11760, 12060, 12510, 13132, 13344, 13622, 14070, 14112, 14595, 15008, 15568, 16080, 16415, 16680, 16884, 17514, 17640, 18626, 18760, 19296, 19460, 19698, 20016, 20433, 21105, 22240, 22512, 23352, 23520, 24120, 25020, 26264, 27244, 27939, 28140, 29190, 29547, 31136, 32160, 32830, 33360, 33768, 34055, 35028, 35280, 37252, 37520, 38920, 39396, 40032, 40866, 42210, 43785, 45024, 46565, 46704, 48240, 49245, 50040, 52528, 54488, 55878, 56280, 58380, 59094, 61299, 65191, 65660, 66720, 67536, 68110, 70056, 70560, 74504, 75040, 77840, 78792, 81732, 83817, 84420, 87570, 93130, 93408, 96480, 98490, 100080, 102165, 105056, 108976, 111756, 112560, 116760, 118188, 122598, 130382, 131320, 135072, 136220, 139695, 140112, 147735, 149008, 155680, 157584, 163464, 167634, 168840, 175140, 186260, 195573, 196980, 200160, 204330, 217952, 223512, 225120, 233520, 236376, 245196, 260764, 262640, 272440, 279390, 280224, 295470, 298016, 306495, 315168, 325955, 326928, 335268, 337680, 350280, 372520, 391146, 393960, 408660, 419085, 447024, 456337, 467040, 472752, 490392, 521528, 525280, 544880, 558780, 586719, 590940, 612990, 651910, 653856, 670536, 675360, 700560, 745040, 782292, 787920, 817320, 838170, 894048, 912674, 945504, 977865, 980784, 1043056, 1089760, 1117560, 1173438, 1181880, 1225980, 1303820, 1341072, 1369011, 1401120, 1490080, 1564584, 1575840, 1634640, 1676340, 1825348, 1955730, 1961568, 2086112, 2235120, 2281685, 2346876, 2363760, 2451960, 2607640, 2682144, 2738022, 2933595, 3129168, 3269280, 3352680, 3650696, 3911460, 4107033, 4470240, 4563370, 4693752, 4727520, 4903920, 5215280, 5476044, 5867190, 6258336, 6705360, 6845055, 7301392, 7822920, 8214066, 9126740, 9387504, 9807840, 10430560, 10952088, 11734380, 13410720, 13690110, 14602784, 15645840, 16428132, 18253480, 18775008, 20535165, 21904176, 23468760, 27380220, 31291680, 32856264, 36506960, 41070330, 43808352, 46937520, 54760440, 65712528, 73013920, 82140660, 93875040, 109520880, 131425056, 164281320, 219041760, 328562640, 657125280]

約数ペア:

[(1, 657125280), (2, 328562640), (3, 219041760), (4, 164281320), (5, 131425056), (6, 109520880), (7, 93875040), (8, 82140660), (9, 73013920), (10, 65712528), (12, 54760440), (14, 46937520), (15, 43808352), (16, 41070330), (18, 36506960), (20, 32856264), (21, 31291680), (24, 27380220), (28, 23468760), (30, 21904176), (32, 20535165), (35, 18775008), (36, 18253480), (40, 16428132), (42, 15645840), (45, 14602784), (48, 13690110), (49, 13410720), (56, 11734380), (60, 10952088), (63, 10430560), (67, 9807840), (70, 9387504), (72, 9126740), (80, 8214066), (84, 7822920), (90, 7301392), (96, 6845055), (98, 6705360), (105, 6258336), (112, 5867190), (120, 5476044), (126, 5215280), (134, 4903920), (139, 4727520), (140, 4693752), (144, 4563370), (147, 4470240), (160, 4107033), (168, 3911460), (180, 3650696), (196, 3352680), (201, 3269280), (210, 3129168), (224, 2933595), (240, 2738022), (245, 2682144), (252, 2607640), (268, 2451960), (278, 2363760), (280, 2346876), (288, 2281685), (294, 2235120), (315, 2086112), (335, 1961568), (336, 1955730), (360, 1825348), (392, 1676340), (402, 1634640), (417, 1575840), (420, 1564584), (441, 1490080), (469, 1401120), (480, 1369011), (490, 1341072), (504, 1303820), (536, 1225980), (556, 1181880), (560, 1173438), (588, 1117560), (603, 1089760), (630, 1043056), (670, 980784), (672, 977865), (695, 945504), (720, 912674), (735, 894048), (784, 838170), (804, 817320), (834, 787920), (840, 782292), (882, 745040), (938, 700560), (973, 675360), (980, 670536), (1005, 653856), (1008, 651910), (1072, 612990), (1112, 590940), (1120, 586719), (1176, 558780), (1206, 544880), (1251, 525280), (1260, 521528), (1340, 490392), (1390, 472752), (1407, 467040), (1440, 456337), (1470, 447024), (1568, 419085), (1608, 408660), (1668, 393960), (1680, 391146), (1764, 372520), (1876, 350280), (1946, 337680), (1960, 335268), (2010, 326928), (2016, 325955), (2085, 315168), (2144, 306495), (2205, 298016), (2224, 295470), (2345, 280224), (2352, 279390), (2412, 272440), (2502, 262640), (2520, 260764), (2680, 245196), (2780, 236376), (2814, 233520), (2919, 225120), (2940, 223512), (3015, 217952), (3216, 204330), (3283, 200160), (3336, 196980), (3360, 195573), (3528, 186260), (3752, 175140), (3892, 168840), (3920, 167634), (4020, 163464), (4170, 157584), (4221, 155680), (4410, 149008), (4448, 147735), (4690, 140112), (4704, 139695), (4824, 136220), (4865, 135072), (5004, 131320), (5040, 130382), (5360, 122598), (5560, 118188), (5628, 116760), (5838, 112560), (5880, 111756), (6030, 108976), (6255, 105056), (6432, 102165), (6566, 100080), (6672, 98490), (6811, 96480), (7035, 93408), (7056, 93130), (7504, 87570), (7784, 84420), (7840, 83817), (8040, 81732), (8340, 78792), (8442, 77840), (8757, 75040), (8820, 74504), (9313, 70560), (9380, 70056), (9648, 68110), (9730, 67536), (9849, 66720), (10008, 65660), (10080, 65191), (10720, 61299), (11120, 59094), (11256, 58380), (11676, 56280), (11760, 55878), (12060, 54488), (12510, 52528), (13132, 50040), (13344, 49245), (13622, 48240), (14070, 46704), (14112, 46565), (14595, 45024), (15008, 43785), (15568, 42210), (16080, 40866), (16415, 40032), (16680, 39396), (16884, 38920), (17514, 37520), (17640, 37252), (18626, 35280), (18760, 35028), (19296, 34055), (19460, 33768), (19698, 33360), (20016, 32830), (20433, 32160), (21105, 31136), (22240, 29547), (22512, 29190), (23352, 28140), (23520, 27939), (24120, 27244), (25020, 26264)]