15057940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 33062400

約数和(自身を除く): 18004460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 163, 298, 310, 326, 596, 620, 652, 745, 815, 1490, 1630, 2980, 3260, 4619, 5053, 9238, 10106, 18476, 20212, 23095, 24287, 25265, 46190, 48574, 50530, 92380, 97148, 101060, 121435, 242870, 485740, 752897, 1505794, 3011588, 3764485, 7528970, 15057940]

約数ペア:

[(1, 15057940), (2, 7528970), (4, 3764485), (5, 3011588), (10, 1505794), (20, 752897), (31, 485740), (62, 242870), (124, 121435), (149, 101060), (155, 97148), (163, 92380), (298, 50530), (310, 48574), (326, 46190), (596, 25265), (620, 24287), (652, 23095), (745, 20212), (815, 18476), (1490, 10106), (1630, 9238), (2980, 5053), (3260, 4619)]