221809560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{264059}}^1$

素因数の和:264080

約数の個数: 64

約数和(自身を含む): 760492800

約数和(自身を除く): 538683240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 264059, 528118, 792177, 1056236, 1320295, 1584354, 1848413, 2112472, 2640590, 3168708, 3696826, 3960885, 5281180, 5545239, 6337416, 7393652, 7921770, 9242065, 10562360, 11090478, 14787304, 15843540, 18484130, 22180956, 27726195, 31687080, 36968260, 44361912, 55452390, 73936520, 110904780, 221809560]

約数ペア:

[(1, 221809560), (2, 110904780), (3, 73936520), (4, 55452390), (5, 44361912), (6, 36968260), (7, 31687080), (8, 27726195), (10, 22180956), (12, 18484130), (14, 15843540), (15, 14787304), (20, 11090478), (21, 10562360), (24, 9242065), (28, 7921770), (30, 7393652), (35, 6337416), (40, 5545239), (42, 5281180), (56, 3960885), (60, 3696826), (70, 3168708), (84, 2640590), (105, 2112472), (120, 1848413), (140, 1584354), (168, 1320295), (210, 1056236), (280, 792177), (420, 528118), (840, 264059)]