78205320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2119

約数の個数: 96

約数和(自身を含む): 256627800

約数和(自身を除く): 178422480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 1993, 2180, 2616, 3270, 3924, 3986, 4360, 4905, 5979, 6540, 7848, 7972, 9810, 9965, 11958, 13080, 15944, 17937, 19620, 19930, 23916, 29895, 35874, 39240, 39860, 47832, 59790, 71748, 79720, 89685, 119580, 143496, 179370, 217237, 239160, 358740, 434474, 651711, 717480, 868948, 1086185, 1303422, 1737896, 1955133, 2172370, 2606844, 3258555, 3910266, 4344740, 5213688, 6517110, 7820532, 8689480, 9775665, 13034220, 15641064, 19551330, 26068440, 39102660, 78205320]

約数ペア:

[(1, 78205320), (2, 39102660), (3, 26068440), (4, 19551330), (5, 15641064), (6, 13034220), (8, 9775665), (9, 8689480), (10, 7820532), (12, 6517110), (15, 5213688), (18, 4344740), (20, 3910266), (24, 3258555), (30, 2606844), (36, 2172370), (40, 1955133), (45, 1737896), (60, 1303422), (72, 1086185), (90, 868948), (109, 717480), (120, 651711), (180, 434474), (218, 358740), (327, 239160), (360, 217237), (436, 179370), (545, 143496), (654, 119580), (872, 89685), (981, 79720), (1090, 71748), (1308, 59790), (1635, 47832), (1962, 39860), (1993, 39240), (2180, 35874), (2616, 29895), (3270, 23916), (3924, 19930), (3986, 19620), (4360, 17937), (4905, 15944), (5979, 13080), (6540, 11958), (7848, 9965), (7972, 9810)]