72477776920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1\times {\mathrm{22691}}^1$

素因数の和:24448

約数の個数: 64

約数和(自身を含む): 166650048000

約数和(自身を除く): 94172271080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1699, 1880, 3398, 6796, 8495, 13592, 16990, 22691, 33980, 45382, 67960, 79853, 90764, 113455, 159706, 181528, 226910, 319412, 399265, 453820, 638824, 798530, 907640, 1066477, 1597060, 2132954, 3194120, 4265908, 5332385, 8531816, 10664770, 21329540, 38552009, 42659080, 77104018, 154208036, 192760045, 308416072, 385520090, 771040180, 1542080360, 1811944423, 3623888846, 7247777692, 9059722115, 14495555384, 18119444230, 36238888460, 72477776920]

約数ペア:

[(1, 72477776920), (2, 36238888460), (4, 18119444230), (5, 14495555384), (8, 9059722115), (10, 7247777692), (20, 3623888846), (40, 1811944423), (47, 1542080360), (94, 771040180), (188, 385520090), (235, 308416072), (376, 192760045), (470, 154208036), (940, 77104018), (1699, 42659080), (1880, 38552009), (3398, 21329540), (6796, 10664770), (8495, 8531816), (13592, 5332385), (16990, 4265908), (22691, 3194120), (33980, 2132954), (45382, 1597060), (67960, 1066477), (79853, 907640), (90764, 798530), (113455, 638824), (159706, 453820), (181528, 399265), (226910, 319412)]