1291160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 3162240

約数和(自身を除く): 1871080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 191, 260, 338, 382, 520, 676, 764, 845, 955, 1352, 1528, 1690, 1910, 2483, 3380, 3820, 4966, 6760, 7640, 9932, 12415, 19864, 24830, 32279, 49660, 64558, 99320, 129116, 161395, 258232, 322790, 645580, 1291160]

約数ペア:

[(1, 1291160), (2, 645580), (4, 322790), (5, 258232), (8, 161395), (10, 129116), (13, 99320), (20, 64558), (26, 49660), (40, 32279), (52, 24830), (65, 19864), (104, 12415), (130, 9932), (169, 7640), (191, 6760), (260, 4966), (338, 3820), (382, 3380), (520, 2483), (676, 1910), (764, 1690), (845, 1528), (955, 1352)]