171757980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30827

約数の個数: 72

約数和(自身を含む): 537823104

約数和(自身を除く): 366065124

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, 5580, 30781, 61562, 92343, 123124, 153905, 184686, 277029, 307810, 369372, 461715, 554058, 615620, 923430, 954211, 1108116, 1385145, 1846860, 1908422, 2770290, 2862633, 3816844, 4771055, 5540580, 5725266, 8587899, 9542110, 11450532, 14313165, 17175798, 19084220, 28626330, 34351596, 42939495, 57252660, 85878990, 171757980]

約数ペア:

[(1, 171757980), (2, 85878990), (3, 57252660), (4, 42939495), (5, 34351596), (6, 28626330), (9, 19084220), (10, 17175798), (12, 14313165), (15, 11450532), (18, 9542110), (20, 8587899), (30, 5725266), (31, 5540580), (36, 4771055), (45, 3816844), (60, 2862633), (62, 2770290), (90, 1908422), (93, 1846860), (124, 1385145), (155, 1108116), (180, 954211), (186, 923430), (279, 615620), (310, 554058), (372, 461715), (465, 369372), (558, 307810), (620, 277029), (930, 184686), (1116, 153905), (1395, 123124), (1860, 92343), (2790, 61562), (5580, 30781)]