28656240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 89577600

約数和(自身を除く): 60921360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 859, 1112, 1390, 1668, 1718, 2085, 2224, 2577, 2780, 3336, 3436, 4170, 4295, 5154, 5560, 6672, 6872, 8340, 8590, 10308, 11120, 12885, 13744, 16680, 17180, 20616, 25770, 33360, 34360, 41232, 51540, 68720, 103080, 119401, 206160, 238802, 358203, 477604, 597005, 716406, 955208, 1194010, 1432812, 1791015, 1910416, 2388020, 2865624, 3582030, 4776040, 5731248, 7164060, 9552080, 14328120, 28656240]

約数ペア:

[(1, 28656240), (2, 14328120), (3, 9552080), (4, 7164060), (5, 5731248), (6, 4776040), (8, 3582030), (10, 2865624), (12, 2388020), (15, 1910416), (16, 1791015), (20, 1432812), (24, 1194010), (30, 955208), (40, 716406), (48, 597005), (60, 477604), (80, 358203), (120, 238802), (139, 206160), (240, 119401), (278, 103080), (417, 68720), (556, 51540), (695, 41232), (834, 34360), (859, 33360), (1112, 25770), (1390, 20616), (1668, 17180), (1718, 16680), (2085, 13744), (2224, 12885), (2577, 11120), (2780, 10308), (3336, 8590), (3436, 8340), (4170, 6872), (4295, 6672), (5154, 5560)]