17749980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3227

約数の個数: 72

約数和(自身を含む): 55595904

約数和(自身を除く): 37845924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3181, 5580, 6362, 9543, 12724, 15905, 19086, 28629, 31810, 38172, 47715, 57258, 63620, 95430, 98611, 114516, 143145, 190860, 197222, 286290, 295833, 394444, 493055, 572580, 591666, 887499, 986110, 1183332, 1479165, 1774998, 1972220, 2958330, 3549996, 4437495, 5916660, 8874990, 17749980]

約数ペア:

[(1, 17749980), (2, 8874990), (3, 5916660), (4, 4437495), (5, 3549996), (6, 2958330), (9, 1972220), (10, 1774998), (12, 1479165), (15, 1183332), (18, 986110), (20, 887499), (30, 591666), (31, 572580), (36, 493055), (45, 394444), (60, 295833), (62, 286290), (90, 197222), (93, 190860), (124, 143145), (155, 114516), (180, 98611), (186, 95430), (279, 63620), (310, 57258), (372, 47715), (465, 38172), (558, 31810), (620, 28629), (930, 19086), (1116, 15905), (1395, 12724), (1860, 9543), (2790, 6362), (3181, 5580)]