128218620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2136977}}^1$

素因数の和:2136989

約数の個数: 24

約数和(自身を含む): 359012304

約数和(自身を除く): 230793684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2136977, 4273954, 6410931, 8547908, 10684885, 12821862, 21369770, 25643724, 32054655, 42739540, 64109310, 128218620]

約数ペア:

[(1, 128218620), (2, 64109310), (3, 42739540), (4, 32054655), (5, 25643724), (6, 21369770), (10, 12821862), (12, 10684885), (15, 8547908), (20, 6410931), (30, 4273954), (60, 2136977)]