721860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 2068416

約数和(自身を除く): 1346556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 227, 265, 318, 454, 530, 636, 681, 795, 908, 1060, 1135, 1362, 1590, 2270, 2724, 3180, 3405, 4540, 6810, 12031, 13620, 24062, 36093, 48124, 60155, 72186, 120310, 144372, 180465, 240620, 360930, 721860]

約数ペア:

[(1, 721860), (2, 360930), (3, 240620), (4, 180465), (5, 144372), (6, 120310), (10, 72186), (12, 60155), (15, 48124), (20, 36093), (30, 24062), (53, 13620), (60, 12031), (106, 6810), (159, 4540), (212, 3405), (227, 3180), (265, 2724), (318, 2270), (454, 1590), (530, 1362), (636, 1135), (681, 1060), (795, 908)]