64716720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6271}}^1$

素因数の和:6330

約数の個数: 80

約数和(自身を含む): 205320192

約数和(自身を除く): 140603472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6271, 10320, 12542, 18813, 25084, 31355, 37626, 50168, 62710, 75252, 94065, 100336, 125420, 150504, 188130, 250840, 269653, 301008, 376260, 501680, 539306, 752520, 808959, 1078612, 1348265, 1505040, 1617918, 2157224, 2696530, 3235836, 4044795, 4314448, 5393060, 6471672, 8089590, 10786120, 12943344, 16179180, 21572240, 32358360, 64716720]

約数ペア:

[(1, 64716720), (2, 32358360), (3, 21572240), (4, 16179180), (5, 12943344), (6, 10786120), (8, 8089590), (10, 6471672), (12, 5393060), (15, 4314448), (16, 4044795), (20, 3235836), (24, 2696530), (30, 2157224), (40, 1617918), (43, 1505040), (48, 1348265), (60, 1078612), (80, 808959), (86, 752520), (120, 539306), (129, 501680), (172, 376260), (215, 301008), (240, 269653), (258, 250840), (344, 188130), (430, 150504), (516, 125420), (645, 100336), (688, 94065), (860, 75252), (1032, 62710), (1290, 50168), (1720, 37626), (2064, 31355), (2580, 25084), (3440, 18813), (5160, 12542), (6271, 10320)]