281260620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{520853}}^1$

素因数の和:520871

約数の個数: 48

約数和(自身を含む): 875034720

約数和(自身を除く): 593774100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 520853, 1041706, 1562559, 2083412, 2604265, 3125118, 4687677, 5208530, 6250236, 7812795, 9375354, 10417060, 14063031, 15625590, 18750708, 23438385, 28126062, 31251180, 46876770, 56252124, 70315155, 93753540, 140630310, 281260620]

約数ペア:

[(1, 281260620), (2, 140630310), (3, 93753540), (4, 70315155), (5, 56252124), (6, 46876770), (9, 31251180), (10, 28126062), (12, 23438385), (15, 18750708), (18, 15625590), (20, 14063031), (27, 10417060), (30, 9375354), (36, 7812795), (45, 6250236), (54, 5208530), (60, 4687677), (90, 3125118), (108, 2604265), (135, 2083412), (180, 1562559), (270, 1041706), (540, 520853)]