31159830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 81385920

約数和(自身を除く): 50226090

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 109, 130, 195, 218, 327, 390, 545, 654, 733, 1090, 1417, 1466, 1635, 2199, 2834, 3270, 3665, 4251, 4398, 7085, 7330, 8502, 9529, 10995, 14170, 19058, 21255, 21990, 28587, 42510, 47645, 57174, 79897, 95290, 142935, 159794, 239691, 285870, 399485, 479382, 798970, 1038661, 1198455, 2077322, 2396910, 3115983, 5193305, 6231966, 10386610, 15579915, 31159830]

約数ペア:

[(1, 31159830), (2, 15579915), (3, 10386610), (5, 6231966), (6, 5193305), (10, 3115983), (13, 2396910), (15, 2077322), (26, 1198455), (30, 1038661), (39, 798970), (65, 479382), (78, 399485), (109, 285870), (130, 239691), (195, 159794), (218, 142935), (327, 95290), (390, 79897), (545, 57174), (654, 47645), (733, 42510), (1090, 28587), (1417, 21990), (1466, 21255), (1635, 19058), (2199, 14170), (2834, 10995), (3270, 9529), (3665, 8502), (4251, 7330), (4398, 7085)]