19789680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82457}}^1$

素因数の和:82473

約数の個数: 40

約数和(自身を含む): 61348752

約数和(自身を除く): 41559072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82457, 164914, 247371, 329828, 412285, 494742, 659656, 824570, 989484, 1236855, 1319312, 1649140, 1978968, 2473710, 3298280, 3957936, 4947420, 6596560, 9894840, 19789680]

約数ペア:

[(1, 19789680), (2, 9894840), (3, 6596560), (4, 4947420), (5, 3957936), (6, 3298280), (8, 2473710), (10, 1978968), (12, 1649140), (15, 1319312), (16, 1236855), (20, 989484), (24, 824570), (30, 659656), (40, 494742), (48, 412285), (60, 329828), (80, 247371), (120, 164914), (240, 82457)]