161776920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1951}}^1$

素因数の和:2656

約数の個数: 64

約数和(自身を含む): 486282240

約数和(自身を除く): 324505320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 1382, 1951, 2073, 2764, 3455, 3902, 4146, 5528, 5853, 6910, 7804, 8292, 9755, 10365, 11706, 13820, 15608, 16584, 19510, 20730, 23412, 27640, 29265, 39020, 41460, 46824, 58530, 78040, 82920, 117060, 234120, 1348141, 2696282, 4044423, 5392564, 6740705, 8088846, 10785128, 13481410, 16177692, 20222115, 26962820, 32355384, 40444230, 53925640, 80888460, 161776920]

約数ペア:

[(1, 161776920), (2, 80888460), (3, 53925640), (4, 40444230), (5, 32355384), (6, 26962820), (8, 20222115), (10, 16177692), (12, 13481410), (15, 10785128), (20, 8088846), (24, 6740705), (30, 5392564), (40, 4044423), (60, 2696282), (120, 1348141), (691, 234120), (1382, 117060), (1951, 82920), (2073, 78040), (2764, 58530), (3455, 46824), (3902, 41460), (4146, 39020), (5528, 29265), (5853, 27640), (6910, 23412), (7804, 20730), (8292, 19510), (9755, 16584), (10365, 15608), (11706, 13820)]