139648960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 112

約数和(自身を含む): 367405920

約数和(自身を除く): 227756960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 97, 110, 160, 176, 194, 220, 320, 352, 388, 409, 440, 485, 704, 776, 818, 880, 970, 1067, 1552, 1636, 1760, 1940, 2045, 2134, 3104, 3272, 3520, 3880, 4090, 4268, 4499, 5335, 6208, 6544, 7760, 8180, 8536, 8998, 10670, 13088, 15520, 16360, 17072, 17996, 21340, 22495, 26176, 31040, 32720, 34144, 35992, 39673, 42680, 44990, 65440, 68288, 71984, 79346, 85360, 89980, 130880, 143968, 158692, 170720, 179960, 198365, 287936, 317384, 341440, 359920, 396730, 436403, 634768, 719840, 793460, 872806, 1269536, 1439680, 1586920, 1745612, 2182015, 2539072, 3173840, 3491224, 4364030, 6347680, 6982448, 8728060, 12695360, 13964896, 17456120, 27929792, 34912240, 69824480, 139648960]

約数ペア:

[(1, 139648960), (2, 69824480), (4, 34912240), (5, 27929792), (8, 17456120), (10, 13964896), (11, 12695360), (16, 8728060), (20, 6982448), (22, 6347680), (32, 4364030), (40, 3491224), (44, 3173840), (55, 2539072), (64, 2182015), (80, 1745612), (88, 1586920), (97, 1439680), (110, 1269536), (160, 872806), (176, 793460), (194, 719840), (220, 634768), (320, 436403), (352, 396730), (388, 359920), (409, 341440), (440, 317384), (485, 287936), (704, 198365), (776, 179960), (818, 170720), (880, 158692), (970, 143968), (1067, 130880), (1552, 89980), (1636, 85360), (1760, 79346), (1940, 71984), (2045, 68288), (2134, 65440), (3104, 44990), (3272, 42680), (3520, 39673), (3880, 35992), (4090, 34144), (4268, 32720), (4499, 31040), (5335, 26176), (6208, 22495), (6544, 21340), (7760, 17996), (8180, 17072), (8536, 16360), (8998, 15520), (10670, 13088)]