8490180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 24119424

約数和(自身を除く): 15629244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1993, 2130, 3986, 4260, 5979, 7972, 9965, 11958, 19930, 23916, 29895, 39860, 59790, 119580, 141503, 283006, 424509, 566012, 707515, 849018, 1415030, 1698036, 2122545, 2830060, 4245090, 8490180]

約数ペア:

[(1, 8490180), (2, 4245090), (3, 2830060), (4, 2122545), (5, 1698036), (6, 1415030), (10, 849018), (12, 707515), (15, 566012), (20, 424509), (30, 283006), (60, 141503), (71, 119580), (142, 59790), (213, 39860), (284, 29895), (355, 23916), (426, 19930), (710, 11958), (852, 9965), (1065, 7972), (1420, 5979), (1993, 4260), (2130, 3986)]