12905460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23899}}^1$

素因数の和:23917

約数の個数: 48

約数和(自身を含む): 40152000

約数和(自身を除く): 27246540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23899, 47798, 71697, 95596, 119495, 143394, 215091, 238990, 286788, 358485, 430182, 477980, 645273, 716970, 860364, 1075455, 1290546, 1433940, 2150910, 2581092, 3226365, 4301820, 6452730, 12905460]

約数ペア:

[(1, 12905460), (2, 6452730), (3, 4301820), (4, 3226365), (5, 2581092), (6, 2150910), (9, 1433940), (10, 1290546), (12, 1075455), (15, 860364), (18, 716970), (20, 645273), (27, 477980), (30, 430182), (36, 358485), (45, 286788), (54, 238990), (60, 215091), (90, 143394), (108, 119495), (135, 95596), (180, 71697), (270, 47798), (540, 23899)]