218368980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404387}}^1$

素因数の和:404405

約数の個数: 48

約数和(自身を含む): 679371840

約数和(自身を除く): 461002860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 404387, 808774, 1213161, 1617548, 2021935, 2426322, 3639483, 4043870, 4852644, 6065805, 7278966, 8087740, 10918449, 12131610, 14557932, 18197415, 21836898, 24263220, 36394830, 43673796, 54592245, 72789660, 109184490, 218368980]

約数ペア:

[(1, 218368980), (2, 109184490), (3, 72789660), (4, 54592245), (5, 43673796), (6, 36394830), (9, 24263220), (10, 21836898), (12, 18197415), (15, 14557932), (18, 12131610), (20, 10918449), (27, 8087740), (30, 7278966), (36, 6065805), (45, 4852644), (54, 4043870), (60, 3639483), (90, 2426322), (108, 2021935), (135, 1617548), (180, 1213161), (270, 808774), (540, 404387)]