68280180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1993}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 191615424

約数和(自身を除く): 123335244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 1142, 1713, 1993, 2284, 2855, 3426, 3986, 5710, 5979, 6852, 7972, 8565, 9965, 11420, 11958, 17130, 19930, 23916, 29895, 34260, 39860, 59790, 119580, 1138003, 2276006, 3414009, 4552012, 5690015, 6828018, 11380030, 13656036, 17070045, 22760060, 34140090, 68280180]

約数ペア:

[(1, 68280180), (2, 34140090), (3, 22760060), (4, 17070045), (5, 13656036), (6, 11380030), (10, 6828018), (12, 5690015), (15, 4552012), (20, 3414009), (30, 2276006), (60, 1138003), (571, 119580), (1142, 59790), (1713, 39860), (1993, 34260), (2284, 29895), (2855, 23916), (3426, 19930), (3986, 17130), (5710, 11958), (5979, 11420), (6852, 9965), (7972, 8565)]