64905240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540877}}^1$

素因数の和:540891

約数の個数: 32

約数和(自身を含む): 194716080

約数和(自身を除く): 129810840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540877, 1081754, 1622631, 2163508, 2704385, 3245262, 4327016, 5408770, 6490524, 8113155, 10817540, 12981048, 16226310, 21635080, 32452620, 64905240]

約数ペア:

[(1, 64905240), (2, 32452620), (3, 21635080), (4, 16226310), (5, 12981048), (6, 10817540), (8, 8113155), (10, 6490524), (12, 5408770), (15, 4327016), (20, 3245262), (24, 2704385), (30, 2163508), (40, 1622631), (60, 1081754), (120, 540877)]