81354480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5557}}^1$

素因数の和:5634

約数の個数: 80

約数和(自身を含む): 256379424

約数和(自身を除く): 175024944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5557, 7320, 11114, 14640, 16671, 22228, 27785, 33342, 44456, 55570, 66684, 83355, 88912, 111140, 133368, 166710, 222280, 266736, 333420, 338977, 444560, 666840, 677954, 1016931, 1333680, 1355908, 1694885, 2033862, 2711816, 3389770, 4067724, 5084655, 5423632, 6779540, 8135448, 10169310, 13559080, 16270896, 20338620, 27118160, 40677240, 81354480]

約数ペア:

[(1, 81354480), (2, 40677240), (3, 27118160), (4, 20338620), (5, 16270896), (6, 13559080), (8, 10169310), (10, 8135448), (12, 6779540), (15, 5423632), (16, 5084655), (20, 4067724), (24, 3389770), (30, 2711816), (40, 2033862), (48, 1694885), (60, 1355908), (61, 1333680), (80, 1016931), (120, 677954), (122, 666840), (183, 444560), (240, 338977), (244, 333420), (305, 266736), (366, 222280), (488, 166710), (610, 133368), (732, 111140), (915, 88912), (976, 83355), (1220, 66684), (1464, 55570), (1830, 44456), (2440, 33342), (2928, 27785), (3660, 22228), (4880, 16671), (5557, 14640), (7320, 11114)]