161865660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245251}}^1$

素因数の和:245274

約数の個数: 48

約数和(自身を含む): 494428032

約数和(自身を除く): 332562372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 245251, 490502, 735753, 981004, 1226255, 1471506, 2452510, 2697761, 2943012, 3678765, 4905020, 5395522, 7357530, 8093283, 10791044, 13488805, 14715060, 16186566, 26977610, 32373132, 40466415, 53955220, 80932830, 161865660]

約数ペア:

[(1, 161865660), (2, 80932830), (3, 53955220), (4, 40466415), (5, 32373132), (6, 26977610), (10, 16186566), (11, 14715060), (12, 13488805), (15, 10791044), (20, 8093283), (22, 7357530), (30, 5395522), (33, 4905020), (44, 3678765), (55, 2943012), (60, 2697761), (66, 2452510), (110, 1471506), (132, 1226255), (165, 981004), (220, 735753), (330, 490502), (660, 245251)]