618589840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{36997}}^1$

素因数の和:37040

約数の個数: 80

約数和(自身を含む): 1651590720

約数和(自身を除く): 1033000880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 36997, 73994, 147988, 184985, 295976, 369970, 406967, 591952, 702943, 739940, 813934, 1405886, 1479880, 1627868, 2034835, 2811772, 2959760, 3255736, 3514715, 4069670, 5623544, 6511472, 7029430, 7732373, 8139340, 11247088, 14058860, 15464746, 16278680, 28117720, 30929492, 32557360, 38661865, 56235440, 61858984, 77323730, 123717968, 154647460, 309294920, 618589840]

約数ペア:

[(1, 618589840), (2, 309294920), (4, 154647460), (5, 123717968), (8, 77323730), (10, 61858984), (11, 56235440), (16, 38661865), (19, 32557360), (20, 30929492), (22, 28117720), (38, 16278680), (40, 15464746), (44, 14058860), (55, 11247088), (76, 8139340), (80, 7732373), (88, 7029430), (95, 6511472), (110, 5623544), (152, 4069670), (176, 3514715), (190, 3255736), (209, 2959760), (220, 2811772), (304, 2034835), (380, 1627868), (418, 1479880), (440, 1405886), (760, 813934), (836, 739940), (880, 702943), (1045, 591952), (1520, 406967), (1672, 369970), (2090, 295976), (3344, 184985), (4180, 147988), (8360, 73994), (16720, 36997)]