12721860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{7853}}^1$

素因数の和:7874

約数の個数: 60

約数和(自身を含む): 39914028

約数和(自身を除く): 27192168

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 7853, 15706, 23559, 31412, 39265, 47118, 70677, 78530, 94236, 117795, 141354, 157060, 212031, 235590, 282708, 353385, 424062, 471180, 636093, 706770, 848124, 1060155, 1272186, 1413540, 2120310, 2544372, 3180465, 4240620, 6360930, 12721860]

約数ペア:

[(1, 12721860), (2, 6360930), (3, 4240620), (4, 3180465), (5, 2544372), (6, 2120310), (9, 1413540), (10, 1272186), (12, 1060155), (15, 848124), (18, 706770), (20, 636093), (27, 471180), (30, 424062), (36, 353385), (45, 282708), (54, 235590), (60, 212031), (81, 157060), (90, 141354), (108, 117795), (135, 94236), (162, 78530), (180, 70677), (270, 47118), (324, 39265), (405, 31412), (540, 23559), (810, 15706), (1620, 7853)]