12880620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{7951}}^1$

素因数の和:7972

約数の個数: 60

約数和(自身を含む): 40412064

約数和(自身を除く): 27531444

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, 7951, 15902, 23853, 31804, 39755, 47706, 71559, 79510, 95412, 119265, 143118, 159020, 214677, 238530, 286236, 357795, 429354, 477060, 644031, 715590, 858708, 1073385, 1288062, 1431180, 2146770, 2576124, 3220155, 4293540, 6440310, 12880620]

約数ペア:

[(1, 12880620), (2, 6440310), (3, 4293540), (4, 3220155), (5, 2576124), (6, 2146770), (9, 1431180), (10, 1288062), (12, 1073385), (15, 858708), (18, 715590), (20, 644031), (27, 477060), (30, 429354), (36, 357795), (45, 286236), (54, 238530), (60, 214677), (81, 159020), (90, 143118), (108, 119265), (135, 95412), (162, 79510), (180, 71559), (270, 47706), (324, 39755), (405, 31804), (540, 23853), (810, 15902), (1620, 7951)]