31609020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{797}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 88750368

約数和(自身を除く): 57141348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 797, 1322, 1594, 1983, 2391, 2644, 3188, 3305, 3966, 3985, 4782, 6610, 7932, 7970, 9564, 9915, 11955, 13220, 15940, 19830, 23910, 39660, 47820, 526817, 1053634, 1580451, 2107268, 2634085, 3160902, 5268170, 6321804, 7902255, 10536340, 15804510, 31609020]

約数ペア:

[(1, 31609020), (2, 15804510), (3, 10536340), (4, 7902255), (5, 6321804), (6, 5268170), (10, 3160902), (12, 2634085), (15, 2107268), (20, 1580451), (30, 1053634), (60, 526817), (661, 47820), (797, 39660), (1322, 23910), (1594, 19830), (1983, 15940), (2391, 13220), (2644, 11955), (3188, 9915), (3305, 9564), (3966, 7970), (3985, 7932), (4782, 6610)]