129412960

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{13709}}^1$

素因数の和:13783

約数の個数: 48

約数和(自身を含む): 310942800

約数和(自身を除く): 181529840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 9440, 13709, 27418, 54836, 68545, 109672, 137090, 219344, 274180, 438688, 548360, 808831, 1096720, 1617662, 2193440, 3235324, 4044155, 6470648, 8088310, 12941296, 16176620, 25882592, 32353240, 64706480, 129412960]

約数ペア:

[(1, 129412960), (2, 64706480), (4, 32353240), (5, 25882592), (8, 16176620), (10, 12941296), (16, 8088310), (20, 6470648), (32, 4044155), (40, 3235324), (59, 2193440), (80, 1617662), (118, 1096720), (160, 808831), (236, 548360), (295, 438688), (472, 274180), (590, 219344), (944, 137090), (1180, 109672), (1888, 68545), (2360, 54836), (4720, 27418), (9440, 13709)]