19991860080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1054423}}^1$

素因数の和:1054518

約数の個数: 80

約数和(自身を含む): 62759316480

約数和(自身を除く): 42767456400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 1054423, 2108846, 3163269, 4217692, 5272115, 6326538, 8435384, 10544230, 12653076, 15816345, 16870768, 21088460, 25306152, 31632690, 42176920, 50612304, 63265380, 83299417, 84353840, 126530760, 166598834, 249898251, 253061520, 333197668, 416497085, 499796502, 666395336, 832994170, 999593004, 1249491255, 1332790672, 1665988340, 1999186008, 2498982510, 3331976680, 3998372016, 4997965020, 6663953360, 9995930040, 19991860080]

約数ペア:

[(1, 19991860080), (2, 9995930040), (3, 6663953360), (4, 4997965020), (5, 3998372016), (6, 3331976680), (8, 2498982510), (10, 1999186008), (12, 1665988340), (15, 1332790672), (16, 1249491255), (20, 999593004), (24, 832994170), (30, 666395336), (40, 499796502), (48, 416497085), (60, 333197668), (79, 253061520), (80, 249898251), (120, 166598834), (158, 126530760), (237, 84353840), (240, 83299417), (316, 63265380), (395, 50612304), (474, 42176920), (632, 31632690), (790, 25306152), (948, 21088460), (1185, 16870768), (1264, 15816345), (1580, 12653076), (1896, 10544230), (2370, 8435384), (3160, 6326538), (3792, 5272115), (4740, 4217692), (6320, 3163269), (9480, 2108846), (18960, 1054423)]