28750140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17747}}^1$

素因数の和:17768

約数の個数: 60

約数和(自身を含む): 90195336

約数和(自身を除く): 61445196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17747, 35494, 53241, 70988, 88735, 106482, 159723, 177470, 212964, 266205, 319446, 354940, 479169, 532410, 638892, 798615, 958338, 1064820, 1437507, 1597230, 1916676, 2395845, 2875014, 3194460, 4791690, 5750028, 7187535, 9583380, 14375070, 28750140]

約数ペア:

[(1, 28750140), (2, 14375070), (3, 9583380), (4, 7187535), (5, 5750028), (6, 4791690), (9, 3194460), (10, 2875014), (12, 2395845), (15, 1916676), (18, 1597230), (20, 1437507), (27, 1064820), (30, 958338), (36, 798615), (45, 638892), (54, 532410), (60, 479169), (81, 354940), (90, 319446), (108, 266205), (135, 212964), (162, 177470), (180, 159723), (270, 106482), (324, 88735), (405, 70988), (540, 53241), (810, 35494), (1620, 17747)]