81464970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 126102390

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 262, 285, 393, 570, 655, 786, 1091, 1310, 1965, 2182, 2489, 3273, 3930, 4978, 5455, 6546, 7467, 10910, 12445, 14934, 16365, 20729, 24890, 32730, 37335, 41458, 62187, 74670, 103645, 124374, 142921, 207290, 285842, 310935, 428763, 621870, 714605, 857526, 1429210, 2143815, 2715499, 4287630, 5430998, 8146497, 13577495, 16292994, 27154990, 40732485, 81464970]

約数ペア:

[(1, 81464970), (2, 40732485), (3, 27154990), (5, 16292994), (6, 13577495), (10, 8146497), (15, 5430998), (19, 4287630), (30, 2715499), (38, 2143815), (57, 1429210), (95, 857526), (114, 714605), (131, 621870), (190, 428763), (262, 310935), (285, 285842), (393, 207290), (570, 142921), (655, 124374), (786, 103645), (1091, 74670), (1310, 62187), (1965, 41458), (2182, 37335), (2489, 32730), (3273, 24890), (3930, 20729), (4978, 16365), (5455, 14934), (6546, 12445), (7467, 10910)]