20088720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27901}}^1$

素因数の和:27920

約数の個数: 60

約数和(自身を含む): 67467036

約数和(自身を除く): 47378316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27901, 55802, 83703, 111604, 139505, 167406, 223208, 251109, 279010, 334812, 418515, 446416, 502218, 558020, 669624, 837030, 1004436, 1116040, 1255545, 1339248, 1674060, 2008872, 2232080, 2511090, 3348120, 4017744, 5022180, 6696240, 10044360, 20088720]

約数ペア:

[(1, 20088720), (2, 10044360), (3, 6696240), (4, 5022180), (5, 4017744), (6, 3348120), (8, 2511090), (9, 2232080), (10, 2008872), (12, 1674060), (15, 1339248), (16, 1255545), (18, 1116040), (20, 1004436), (24, 837030), (30, 669624), (36, 558020), (40, 502218), (45, 446416), (48, 418515), (60, 334812), (72, 279010), (80, 251109), (90, 223208), (120, 167406), (144, 139505), (180, 111604), (240, 83703), (360, 55802), (720, 27901)]