128607560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 300207600

約数和(自身を除く): 171600040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 296, 370, 452, 565, 740, 769, 904, 1130, 1480, 1538, 2260, 3076, 3845, 4181, 4520, 6152, 7690, 8362, 15380, 16724, 20905, 28453, 30760, 33448, 41810, 56906, 83620, 86897, 113812, 142265, 167240, 173794, 227624, 284530, 347588, 434485, 569060, 695176, 868970, 1138120, 1737940, 3215189, 3475880, 6430378, 12860756, 16075945, 25721512, 32151890, 64303780, 128607560]

約数ペア:

[(1, 128607560), (2, 64303780), (4, 32151890), (5, 25721512), (8, 16075945), (10, 12860756), (20, 6430378), (37, 3475880), (40, 3215189), (74, 1737940), (113, 1138120), (148, 868970), (185, 695176), (226, 569060), (296, 434485), (370, 347588), (452, 284530), (565, 227624), (740, 173794), (769, 167240), (904, 142265), (1130, 113812), (1480, 86897), (1538, 83620), (2260, 56906), (3076, 41810), (3845, 33448), (4181, 30760), (4520, 28453), (6152, 20905), (7690, 16724), (8362, 15380)]