157215760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151169}}^1$

素因数の和:151195

約数の個数: 40

約数和(自身を含む): 393646680

約数和(自身を除く): 236430920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 151169, 302338, 604676, 755845, 1209352, 1511690, 1965197, 2418704, 3023380, 3930394, 6046760, 7860788, 9825985, 12093520, 15721576, 19651970, 31443152, 39303940, 78607880, 157215760]

約数ペア:

[(1, 157215760), (2, 78607880), (4, 39303940), (5, 31443152), (8, 19651970), (10, 15721576), (13, 12093520), (16, 9825985), (20, 7860788), (26, 6046760), (40, 3930394), (52, 3023380), (65, 2418704), (80, 1965197), (104, 1511690), (130, 1209352), (208, 755845), (260, 604676), (520, 302338), (1040, 151169)]