218588580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173483}}^1$

素因数の和:173505

約数の個数: 72

約数和(自身を含む): 757778112

約数和(自身を除く): 539189532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173483, 346966, 520449, 693932, 867415, 1040898, 1214381, 1561347, 1734830, 2081796, 2428762, 2602245, 3122694, 3469660, 3643143, 4857524, 5204490, 6071905, 6245388, 7286286, 7806735, 10408980, 10929429, 12143810, 14572572, 15613470, 18215715, 21858858, 24287620, 31226940, 36431430, 43717716, 54647145, 72862860, 109294290, 218588580]

約数ペア:

[(1, 218588580), (2, 109294290), (3, 72862860), (4, 54647145), (5, 43717716), (6, 36431430), (7, 31226940), (9, 24287620), (10, 21858858), (12, 18215715), (14, 15613470), (15, 14572572), (18, 12143810), (20, 10929429), (21, 10408980), (28, 7806735), (30, 7286286), (35, 6245388), (36, 6071905), (42, 5204490), (45, 4857524), (60, 3643143), (63, 3469660), (70, 3122694), (84, 2602245), (90, 2428762), (105, 2081796), (126, 1734830), (140, 1561347), (180, 1214381), (210, 1040898), (252, 867415), (315, 693932), (420, 520449), (630, 346966), (1260, 173483)]