857940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 2446080

約数和(自身を除く): 1588140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 181, 237, 316, 362, 395, 474, 543, 724, 790, 905, 948, 1086, 1185, 1580, 1810, 2172, 2370, 2715, 3620, 4740, 5430, 10860, 14299, 28598, 42897, 57196, 71495, 85794, 142990, 171588, 214485, 285980, 428970, 857940]

約数ペア:

[(1, 857940), (2, 428970), (3, 285980), (4, 214485), (5, 171588), (6, 142990), (10, 85794), (12, 71495), (15, 57196), (20, 42897), (30, 28598), (60, 14299), (79, 10860), (158, 5430), (181, 4740), (237, 3620), (316, 2715), (362, 2370), (395, 2172), (474, 1810), (543, 1580), (724, 1185), (790, 1086), (905, 948)]