220762980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1226461}}^1$

素因数の和:1226476

約数の個数: 36

約数和(自身を含む): 669648252

約数和(自身を除く): 448885272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1226461, 2452922, 3679383, 4905844, 6132305, 7358766, 11038149, 12264610, 14717532, 18396915, 22076298, 24529220, 36793830, 44152596, 55190745, 73587660, 110381490, 220762980]

約数ペア:

[(1, 220762980), (2, 110381490), (3, 73587660), (4, 55190745), (5, 44152596), (6, 36793830), (9, 24529220), (10, 22076298), (12, 18396915), (15, 14717532), (18, 12264610), (20, 11038149), (30, 7358766), (36, 6132305), (45, 4905844), (60, 3679383), (90, 2452922), (180, 1226461)]