16980360

素因数分解:

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

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 51684480

約数和(自身を除く): 34704120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 1993, 2130, 2840, 3986, 4260, 5979, 7972, 8520, 9965, 11958, 15944, 19930, 23916, 29895, 39860, 47832, 59790, 79720, 119580, 141503, 239160, 283006, 424509, 566012, 707515, 849018, 1132024, 1415030, 1698036, 2122545, 2830060, 3396072, 4245090, 5660120, 8490180, 16980360]

約数ペア:

[(1, 16980360), (2, 8490180), (3, 5660120), (4, 4245090), (5, 3396072), (6, 2830060), (8, 2122545), (10, 1698036), (12, 1415030), (15, 1132024), (20, 849018), (24, 707515), (30, 566012), (40, 424509), (60, 283006), (71, 239160), (120, 141503), (142, 119580), (213, 79720), (284, 59790), (355, 47832), (426, 39860), (568, 29895), (710, 23916), (852, 19930), (1065, 15944), (1420, 11958), (1704, 9965), (1993, 8520), (2130, 7972), (2840, 5979), (3986, 4260)]