87874160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 226672992

約数和(自身を除く): 138798832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 1637, 2440, 2684, 3274, 3355, 4880, 5368, 6548, 6710, 8185, 10736, 13096, 13420, 16370, 18007, 26192, 26840, 32740, 36014, 53680, 65480, 72028, 90035, 99857, 130960, 144056, 180070, 199714, 288112, 360140, 399428, 499285, 720280, 798856, 998570, 1098427, 1440560, 1597712, 1997140, 2196854, 3994280, 4393708, 5492135, 7988560, 8787416, 10984270, 17574832, 21968540, 43937080, 87874160]

約数ペア:

[(1, 87874160), (2, 43937080), (4, 21968540), (5, 17574832), (8, 10984270), (10, 8787416), (11, 7988560), (16, 5492135), (20, 4393708), (22, 3994280), (40, 2196854), (44, 1997140), (55, 1597712), (61, 1440560), (80, 1098427), (88, 998570), (110, 798856), (122, 720280), (176, 499285), (220, 399428), (244, 360140), (305, 288112), (440, 199714), (488, 180070), (610, 144056), (671, 130960), (880, 99857), (976, 90035), (1220, 72028), (1342, 65480), (1637, 53680), (2440, 36014), (2684, 32740), (3274, 26840), (3355, 26192), (4880, 18007), (5368, 16370), (6548, 13420), (6710, 13096), (8185, 10736)]