156940817080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64320007}}^1$

素因数の和:64320079

約数の個数: 32

約数和(自身を含む): 358905644640

約数和(自身を除く): 201964827560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64320007, 128640014, 257280028, 321600035, 514560056, 643200070, 1286400140, 2572800280, 3923520427, 7847040854, 15694081708, 19617602135, 31388163416, 39235204270, 78470408540, 156940817080]

約数ペア:

[(1, 156940817080), (2, 78470408540), (4, 39235204270), (5, 31388163416), (8, 19617602135), (10, 15694081708), (20, 7847040854), (40, 3923520427), (61, 2572800280), (122, 1286400140), (244, 643200070), (305, 514560056), (488, 321600035), (610, 257280028), (1220, 128640014), (2440, 64320007)]