87751740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20599}}^1$

素因数の和:20682

約数の個数: 48

約数和(自身を含む): 249177600

約数和(自身を除く): 161425860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 20599, 41198, 61797, 82396, 102995, 123594, 205990, 247188, 308985, 411980, 617970, 1235940, 1462529, 2925058, 4387587, 5850116, 7312645, 8775174, 14625290, 17550348, 21937935, 29250580, 43875870, 87751740]

約数ペア:

[(1, 87751740), (2, 43875870), (3, 29250580), (4, 21937935), (5, 17550348), (6, 14625290), (10, 8775174), (12, 7312645), (15, 5850116), (20, 4387587), (30, 2925058), (60, 1462529), (71, 1235940), (142, 617970), (213, 411980), (284, 308985), (355, 247188), (426, 205990), (710, 123594), (852, 102995), (1065, 82396), (1420, 61797), (2130, 41198), (4260, 20599)]