155516880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647987}}^1$

素因数の和:648003

約数の個数: 40

約数和(自身を含む): 482103072

約数和(自身を除く): 326586192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647987, 1295974, 1943961, 2591948, 3239935, 3887922, 5183896, 6479870, 7775844, 9719805, 10367792, 12959740, 15551688, 19439610, 25919480, 31103376, 38879220, 51838960, 77758440, 155516880]

約数ペア:

[(1, 155516880), (2, 77758440), (3, 51838960), (4, 38879220), (5, 31103376), (6, 25919480), (8, 19439610), (10, 15551688), (12, 12959740), (15, 10367792), (16, 9719805), (20, 7775844), (24, 6479870), (30, 5183896), (40, 3887922), (48, 3239935), (60, 2591948), (80, 1943961), (120, 1295974), (240, 647987)]