8655420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 24399648

約数和(自身を除く): 15744228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 797, 905, 1086, 1594, 1810, 2172, 2391, 2715, 3188, 3620, 3985, 4782, 5430, 7970, 9564, 10860, 11955, 15940, 23910, 47820, 144257, 288514, 432771, 577028, 721285, 865542, 1442570, 1731084, 2163855, 2885140, 4327710, 8655420]

約数ペア:

[(1, 8655420), (2, 4327710), (3, 2885140), (4, 2163855), (5, 1731084), (6, 1442570), (10, 865542), (12, 721285), (15, 577028), (20, 432771), (30, 288514), (60, 144257), (181, 47820), (362, 23910), (543, 15940), (724, 11955), (797, 10860), (905, 9564), (1086, 7970), (1594, 5430), (1810, 4782), (2172, 3985), (2391, 3620), (2715, 3188)]