217871760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2957}}^1$

素因数の和:3280

約数の個数: 80

約数和(自身を含む): 677831616

約数和(自身を除く): 459959856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 2957, 3070, 3684, 4605, 4912, 5914, 6140, 7368, 8871, 9210, 11828, 12280, 14736, 14785, 17742, 18420, 23656, 24560, 29570, 35484, 36840, 44355, 47312, 59140, 70968, 73680, 88710, 118280, 141936, 177420, 236560, 354840, 709680, 907799, 1815598, 2723397, 3631196, 4538995, 5446794, 7262392, 9077990, 10893588, 13616985, 14524784, 18155980, 21787176, 27233970, 36311960, 43574352, 54467940, 72623920, 108935880, 217871760]

約数ペア:

[(1, 217871760), (2, 108935880), (3, 72623920), (4, 54467940), (5, 43574352), (6, 36311960), (8, 27233970), (10, 21787176), (12, 18155980), (15, 14524784), (16, 13616985), (20, 10893588), (24, 9077990), (30, 7262392), (40, 5446794), (48, 4538995), (60, 3631196), (80, 2723397), (120, 1815598), (240, 907799), (307, 709680), (614, 354840), (921, 236560), (1228, 177420), (1535, 141936), (1842, 118280), (2456, 88710), (2957, 73680), (3070, 70968), (3684, 59140), (4605, 47312), (4912, 44355), (5914, 36840), (6140, 35484), (7368, 29570), (8871, 24560), (9210, 23656), (11828, 18420), (12280, 17742), (14736, 14785)]