131155020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{728639}}^1$

素因数の和:728654

約数の個数: 36

約数和(自身を含む): 397837440

約数和(自身を除く): 266682420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 728639, 1457278, 2185917, 2914556, 3643195, 4371834, 6557751, 7286390, 8743668, 10929585, 13115502, 14572780, 21859170, 26231004, 32788755, 43718340, 65577510, 131155020]

約数ペア:

[(1, 131155020), (2, 65577510), (3, 43718340), (4, 32788755), (5, 26231004), (6, 21859170), (9, 14572780), (10, 13115502), (12, 10929585), (15, 8743668), (18, 7286390), (20, 6557751), (30, 4371834), (36, 3643195), (45, 2914556), (60, 2185917), (90, 1457278), (180, 728639)]