30854920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 41721080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 167, 248, 298, 310, 334, 596, 620, 668, 745, 835, 1192, 1240, 1336, 1490, 1670, 2980, 3340, 4619, 5177, 5960, 6680, 9238, 10354, 18476, 20708, 23095, 24883, 25885, 36952, 41416, 46190, 49766, 51770, 92380, 99532, 103540, 124415, 184760, 199064, 207080, 248830, 497660, 771373, 995320, 1542746, 3085492, 3856865, 6170984, 7713730, 15427460, 30854920]

約数ペア:

[(1, 30854920), (2, 15427460), (4, 7713730), (5, 6170984), (8, 3856865), (10, 3085492), (20, 1542746), (31, 995320), (40, 771373), (62, 497660), (124, 248830), (149, 207080), (155, 199064), (167, 184760), (248, 124415), (298, 103540), (310, 99532), (334, 92380), (596, 51770), (620, 49766), (668, 46190), (745, 41416), (835, 36952), (1192, 25885), (1240, 24883), (1336, 23095), (1490, 20708), (1670, 18476), (2980, 10354), (3340, 9238), (4619, 6680), (5177, 5960)]