61646520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 204019200

約数和(自身を除く): 142372680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 919, 1032, 1118, 1290, 1560, 1677, 1720, 1838, 2236, 2580, 2757, 2795, 3354, 3676, 4472, 4595, 5160, 5514, 5590, 6708, 7352, 8385, 9190, 11028, 11180, 11947, 13416, 13785, 16770, 18380, 22056, 22360, 23894, 27570, 33540, 35841, 36760, 39517, 47788, 55140, 59735, 67080, 71682, 79034, 95576, 110280, 118551, 119470, 143364, 158068, 179205, 197585, 237102, 238940, 286728, 316136, 358410, 395170, 474204, 477880, 513721, 592755, 716820, 790340, 948408, 1027442, 1185510, 1433640, 1541163, 1580680, 2054884, 2371020, 2568605, 3082326, 4109768, 4742040, 5137210, 6164652, 7705815, 10274420, 12329304, 15411630, 20548840, 30823260, 61646520]

約数ペア:

[(1, 61646520), (2, 30823260), (3, 20548840), (4, 15411630), (5, 12329304), (6, 10274420), (8, 7705815), (10, 6164652), (12, 5137210), (13, 4742040), (15, 4109768), (20, 3082326), (24, 2568605), (26, 2371020), (30, 2054884), (39, 1580680), (40, 1541163), (43, 1433640), (52, 1185510), (60, 1027442), (65, 948408), (78, 790340), (86, 716820), (104, 592755), (120, 513721), (129, 477880), (130, 474204), (156, 395170), (172, 358410), (195, 316136), (215, 286728), (258, 238940), (260, 237102), (312, 197585), (344, 179205), (390, 158068), (430, 143364), (516, 119470), (520, 118551), (559, 110280), (645, 95576), (780, 79034), (860, 71682), (919, 67080), (1032, 59735), (1118, 55140), (1290, 47788), (1560, 39517), (1677, 36760), (1720, 35841), (1838, 33540), (2236, 27570), (2580, 23894), (2757, 22360), (2795, 22056), (3354, 18380), (3676, 16770), (4472, 13785), (4595, 13416), (5160, 11947), (5514, 11180), (5590, 11028), (6708, 9190), (7352, 8385)]