1857180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 5602464

約数和(自身を除く): 3745284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2381, 4762, 7143, 9524, 11905, 14286, 23810, 28572, 30953, 35715, 47620, 61906, 71430, 92859, 123812, 142860, 154765, 185718, 309530, 371436, 464295, 619060, 928590, 1857180]

約数ペア:

[(1, 1857180), (2, 928590), (3, 619060), (4, 464295), (5, 371436), (6, 309530), (10, 185718), (12, 154765), (13, 142860), (15, 123812), (20, 92859), (26, 71430), (30, 61906), (39, 47620), (52, 35715), (60, 30953), (65, 28572), (78, 23810), (130, 14286), (156, 11905), (195, 9524), (260, 7143), (390, 4762), (780, 2381)]