27903540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9491}}^1$

素因数の和:9517

約数の個数: 72

約数和(自身を含む): 90895392

約数和(自身を除く): 62991852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9491, 18982, 28473, 37964, 47455, 56946, 66437, 94910, 113892, 132874, 142365, 189820, 199311, 265748, 284730, 332185, 398622, 465059, 569460, 664370, 797244, 930118, 996555, 1328740, 1395177, 1860236, 1993110, 2325295, 2790354, 3986220, 4650590, 5580708, 6975885, 9301180, 13951770, 27903540]

約数ペア:

[(1, 27903540), (2, 13951770), (3, 9301180), (4, 6975885), (5, 5580708), (6, 4650590), (7, 3986220), (10, 2790354), (12, 2325295), (14, 1993110), (15, 1860236), (20, 1395177), (21, 1328740), (28, 996555), (30, 930118), (35, 797244), (42, 664370), (49, 569460), (60, 465059), (70, 398622), (84, 332185), (98, 284730), (105, 265748), (140, 199311), (147, 189820), (196, 142365), (210, 132874), (245, 113892), (294, 94910), (420, 66437), (490, 56946), (588, 47455), (735, 37964), (980, 28473), (1470, 18982), (2940, 9491)]