81735540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25703}}^1$

素因数の和:25768

約数の個数: 48

約数和(自身を含む): 233186688

約数和(自身を除く): 151451148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 25703, 51406, 77109, 102812, 128515, 154218, 257030, 308436, 385545, 514060, 771090, 1362259, 1542180, 2724518, 4086777, 5449036, 6811295, 8173554, 13622590, 16347108, 20433885, 27245180, 40867770, 81735540]

約数ペア:

[(1, 81735540), (2, 40867770), (3, 27245180), (4, 20433885), (5, 16347108), (6, 13622590), (10, 8173554), (12, 6811295), (15, 5449036), (20, 4086777), (30, 2724518), (53, 1542180), (60, 1362259), (106, 771090), (159, 514060), (212, 385545), (265, 308436), (318, 257030), (530, 154218), (636, 128515), (795, 102812), (1060, 77109), (1590, 51406), (3180, 25703)]