15208540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 34673184

約数和(自身を除く): 19464644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1091, 1394, 2182, 2788, 3485, 4364, 5455, 6970, 10910, 13940, 18547, 21820, 37094, 44731, 74188, 89462, 92735, 178924, 185470, 223655, 370940, 447310, 760427, 894620, 1520854, 3041708, 3802135, 7604270, 15208540]

約数ペア:

[(1, 15208540), (2, 7604270), (4, 3802135), (5, 3041708), (10, 1520854), (17, 894620), (20, 760427), (34, 447310), (41, 370940), (68, 223655), (82, 185470), (85, 178924), (164, 92735), (170, 89462), (205, 74188), (340, 44731), (410, 37094), (697, 21820), (820, 18547), (1091, 13940), (1394, 10910), (2182, 6970), (2788, 5455), (3485, 4364)]