128071840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1014

約数の個数: 96

約数和(自身を含む): 331067520

約数和(自身を除く): 202995680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 335, 416, 520, 536, 670, 871, 919, 1040, 1072, 1340, 1742, 1838, 2080, 2144, 2680, 3484, 3676, 4355, 4595, 5360, 6968, 7352, 8710, 9190, 10720, 11947, 13936, 14704, 17420, 18380, 23894, 27872, 29408, 34840, 36760, 47788, 59735, 61573, 69680, 73520, 95576, 119470, 123146, 139360, 147040, 191152, 238940, 246292, 307865, 382304, 477880, 492584, 615730, 800449, 955760, 985168, 1231460, 1600898, 1911520, 1970336, 2462920, 3201796, 4002245, 4925840, 6403592, 8004490, 9851680, 12807184, 16008980, 25614368, 32017960, 64035920, 128071840]

約数ペア:

[(1, 128071840), (2, 64035920), (4, 32017960), (5, 25614368), (8, 16008980), (10, 12807184), (13, 9851680), (16, 8004490), (20, 6403592), (26, 4925840), (32, 4002245), (40, 3201796), (52, 2462920), (65, 1970336), (67, 1911520), (80, 1600898), (104, 1231460), (130, 985168), (134, 955760), (160, 800449), (208, 615730), (260, 492584), (268, 477880), (335, 382304), (416, 307865), (520, 246292), (536, 238940), (670, 191152), (871, 147040), (919, 139360), (1040, 123146), (1072, 119470), (1340, 95576), (1742, 73520), (1838, 69680), (2080, 61573), (2144, 59735), (2680, 47788), (3484, 36760), (3676, 34840), (4355, 29408), (4595, 27872), (5360, 23894), (6968, 18380), (7352, 17420), (8710, 14704), (9190, 13936), (10720, 11947)]