64387960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 192024000

約数和(自身を除く): 127636040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 91, 95, 98, 104, 130, 133, 140, 152, 182, 190, 196, 245, 247, 260, 266, 280, 343, 361, 364, 380, 392, 455, 490, 494, 520, 532, 637, 665, 686, 722, 728, 760, 910, 931, 980, 988, 1064, 1235, 1274, 1330, 1372, 1444, 1715, 1729, 1805, 1820, 1862, 1960, 1976, 2470, 2527, 2548, 2660, 2744, 2888, 3185, 3430, 3458, 3610, 3640, 3724, 4459, 4655, 4693, 4940, 5054, 5096, 5320, 6370, 6517, 6860, 6916, 7220, 7448, 8645, 8918, 9310, 9386, 9880, 10108, 12103, 12635, 12740, 13034, 13720, 13832, 14440, 17290, 17689, 17836, 18620, 18772, 20216, 22295, 23465, 24206, 25270, 25480, 26068, 32585, 32851, 34580, 35378, 35672, 37240, 37544, 44590, 46930, 48412, 50540, 52136, 60515, 65170, 65702, 69160, 70756, 84721, 88445, 89180, 93860, 96824, 101080, 121030, 123823, 130340, 131404, 141512, 164255, 169442, 176890, 178360, 187720, 229957, 242060, 247646, 260680, 262808, 328510, 338884, 353780, 423605, 459914, 484120, 495292, 619115, 657020, 677768, 707560, 847210, 919828, 990584, 1149785, 1238230, 1314040, 1609699, 1694420, 1839656, 2299570, 2476460, 3219398, 3388840, 4599140, 4952920, 6438796, 8048495, 9198280, 12877592, 16096990, 32193980, 64387960]

約数ペア:

[(1, 64387960), (2, 32193980), (4, 16096990), (5, 12877592), (7, 9198280), (8, 8048495), (10, 6438796), (13, 4952920), (14, 4599140), (19, 3388840), (20, 3219398), (26, 2476460), (28, 2299570), (35, 1839656), (38, 1694420), (40, 1609699), (49, 1314040), (52, 1238230), (56, 1149785), (65, 990584), (70, 919828), (76, 847210), (91, 707560), (95, 677768), (98, 657020), (104, 619115), (130, 495292), (133, 484120), (140, 459914), (152, 423605), (182, 353780), (190, 338884), (196, 328510), (245, 262808), (247, 260680), (260, 247646), (266, 242060), (280, 229957), (343, 187720), (361, 178360), (364, 176890), (380, 169442), (392, 164255), (455, 141512), (490, 131404), (494, 130340), (520, 123823), (532, 121030), (637, 101080), (665, 96824), (686, 93860), (722, 89180), (728, 88445), (760, 84721), (910, 70756), (931, 69160), (980, 65702), (988, 65170), (1064, 60515), (1235, 52136), (1274, 50540), (1330, 48412), (1372, 46930), (1444, 44590), (1715, 37544), (1729, 37240), (1805, 35672), (1820, 35378), (1862, 34580), (1960, 32851), (1976, 32585), (2470, 26068), (2527, 25480), (2548, 25270), (2660, 24206), (2744, 23465), (2888, 22295), (3185, 20216), (3430, 18772), (3458, 18620), (3610, 17836), (3640, 17689), (3724, 17290), (4459, 14440), (4655, 13832), (4693, 13720), (4940, 13034), (5054, 12740), (5096, 12635), (5320, 12103), (6370, 10108), (6517, 9880), (6860, 9386), (6916, 9310), (7220, 8918), (7448, 8645)]