661754080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4580

約数の個数: 96

約数和(自身を含む): 1707749568

約数和(自身を除く): 1045995488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 208, 260, 284, 355, 416, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2080, 2272, 2840, 3692, 4481, 4615, 5680, 7384, 8962, 9230, 11360, 14768, 17924, 18460, 22405, 29536, 35848, 36920, 44810, 58253, 71696, 73840, 89620, 116506, 143392, 147680, 179240, 233012, 291265, 318151, 358480, 466024, 582530, 636302, 716960, 932048, 1165060, 1272604, 1590755, 1864096, 2330120, 2545208, 3181510, 4135963, 4660240, 5090416, 6363020, 8271926, 9320480, 10180832, 12726040, 16543852, 20679815, 25452080, 33087704, 41359630, 50904160, 66175408, 82719260, 132350816, 165438520, 330877040, 661754080]

約数ペア:

[(1, 661754080), (2, 330877040), (4, 165438520), (5, 132350816), (8, 82719260), (10, 66175408), (13, 50904160), (16, 41359630), (20, 33087704), (26, 25452080), (32, 20679815), (40, 16543852), (52, 12726040), (65, 10180832), (71, 9320480), (80, 8271926), (104, 6363020), (130, 5090416), (142, 4660240), (160, 4135963), (208, 3181510), (260, 2545208), (284, 2330120), (355, 1864096), (416, 1590755), (520, 1272604), (568, 1165060), (710, 932048), (923, 716960), (1040, 636302), (1136, 582530), (1420, 466024), (1846, 358480), (2080, 318151), (2272, 291265), (2840, 233012), (3692, 179240), (4481, 147680), (4615, 143392), (5680, 116506), (7384, 89620), (8962, 73840), (9230, 71696), (11360, 58253), (14768, 44810), (17924, 36920), (18460, 35848), (22405, 29536)]