1220478480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1686

約数の個数: 240

約数和(自身を含む): 4470088896

約数和(自身を除く): 3249610416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 83, 90, 104, 117, 120, 130, 144, 156, 166, 180, 195, 208, 234, 240, 249, 260, 312, 332, 360, 390, 415, 468, 498, 520, 585, 624, 664, 720, 747, 780, 830, 936, 996, 1040, 1079, 1170, 1245, 1328, 1494, 1560, 1571, 1660, 1872, 1992, 2158, 2340, 2490, 2988, 3120, 3142, 3237, 3320, 3735, 3984, 4316, 4680, 4713, 4980, 5395, 5976, 6284, 6474, 6640, 7470, 7855, 8632, 9360, 9426, 9711, 9960, 10790, 11952, 12568, 12948, 14139, 14940, 15710, 16185, 17264, 18852, 19422, 19920, 20423, 21580, 23565, 25136, 25896, 28278, 29880, 31420, 32370, 37704, 38844, 40846, 43160, 47130, 48555, 51792, 56556, 59760, 61269, 62840, 64740, 70695, 75408, 77688, 81692, 86320, 94260, 97110, 102115, 113112, 122538, 125680, 129480, 130393, 141390, 155376, 163384, 183807, 188520, 194220, 204230, 226224, 245076, 258960, 260786, 282780, 306345, 326768, 367614, 377040, 388440, 391179, 408460, 490152, 521572, 565560, 612690, 651965, 735228, 776880, 782358, 816920, 919035, 980304, 1043144, 1131120, 1173537, 1225380, 1303930, 1470456, 1564716, 1633840, 1695109, 1838070, 1955895, 2086288, 2347074, 2450760, 2607860, 2940912, 3129432, 3390218, 3676140, 3911790, 4694148, 4901520, 5085327, 5215720, 5867685, 6258864, 6780436, 7352280, 7823580, 8475545, 9388296, 10170654, 10431440, 11735370, 13560872, 14704560, 15255981, 15647160, 16951090, 18776592, 20341308, 23470740, 25426635, 27121744, 30511962, 31294320, 33902180, 40682616, 46941480, 50853270, 61023924, 67804360, 76279905, 81365232, 93882960, 101706540, 122047848, 135608720, 152559810, 203413080, 244095696, 305119620, 406826160, 610239240, 1220478480]

約数ペア:

[(1, 1220478480), (2, 610239240), (3, 406826160), (4, 305119620), (5, 244095696), (6, 203413080), (8, 152559810), (9, 135608720), (10, 122047848), (12, 101706540), (13, 93882960), (15, 81365232), (16, 76279905), (18, 67804360), (20, 61023924), (24, 50853270), (26, 46941480), (30, 40682616), (36, 33902180), (39, 31294320), (40, 30511962), (45, 27121744), (48, 25426635), (52, 23470740), (60, 20341308), (65, 18776592), (72, 16951090), (78, 15647160), (80, 15255981), (83, 14704560), (90, 13560872), (104, 11735370), (117, 10431440), (120, 10170654), (130, 9388296), (144, 8475545), (156, 7823580), (166, 7352280), (180, 6780436), (195, 6258864), (208, 5867685), (234, 5215720), (240, 5085327), (249, 4901520), (260, 4694148), (312, 3911790), (332, 3676140), (360, 3390218), (390, 3129432), (415, 2940912), (468, 2607860), (498, 2450760), (520, 2347074), (585, 2086288), (624, 1955895), (664, 1838070), (720, 1695109), (747, 1633840), (780, 1564716), (830, 1470456), (936, 1303930), (996, 1225380), (1040, 1173537), (1079, 1131120), (1170, 1043144), (1245, 980304), (1328, 919035), (1494, 816920), (1560, 782358), (1571, 776880), (1660, 735228), (1872, 651965), (1992, 612690), (2158, 565560), (2340, 521572), (2490, 490152), (2988, 408460), (3120, 391179), (3142, 388440), (3237, 377040), (3320, 367614), (3735, 326768), (3984, 306345), (4316, 282780), (4680, 260786), (4713, 258960), (4980, 245076), (5395, 226224), (5976, 204230), (6284, 194220), (6474, 188520), (6640, 183807), (7470, 163384), (7855, 155376), (8632, 141390), (9360, 130393), (9426, 129480), (9711, 125680), (9960, 122538), (10790, 113112), (11952, 102115), (12568, 97110), (12948, 94260), (14139, 86320), (14940, 81692), (15710, 77688), (16185, 75408), (17264, 70695), (18852, 64740), (19422, 62840), (19920, 61269), (20423, 59760), (21580, 56556), (23565, 51792), (25136, 48555), (25896, 47130), (28278, 43160), (29880, 40846), (31420, 38844), (32370, 37704)]