81868560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:7992

約数の個数: 80

約数和(自身を含む): 259727424

約数和(自身を除く): 177858864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 7933, 10320, 15866, 23799, 31732, 39665, 47598, 63464, 79330, 95196, 118995, 126928, 158660, 190392, 237990, 317320, 341119, 380784, 475980, 634640, 682238, 951960, 1023357, 1364476, 1705595, 1903920, 2046714, 2728952, 3411190, 4093428, 5116785, 5457904, 6822380, 8186856, 10233570, 13644760, 16373712, 20467140, 27289520, 40934280, 81868560]

約数ペア:

[(1, 81868560), (2, 40934280), (3, 27289520), (4, 20467140), (5, 16373712), (6, 13644760), (8, 10233570), (10, 8186856), (12, 6822380), (15, 5457904), (16, 5116785), (20, 4093428), (24, 3411190), (30, 2728952), (40, 2046714), (43, 1903920), (48, 1705595), (60, 1364476), (80, 1023357), (86, 951960), (120, 682238), (129, 634640), (172, 475980), (215, 380784), (240, 341119), (258, 317320), (344, 237990), (430, 190392), (516, 158660), (645, 126928), (688, 118995), (860, 95196), (1032, 79330), (1290, 63464), (1720, 47598), (2064, 39665), (2580, 31732), (3440, 23799), (5160, 15866), (7933, 10320)]