12991500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{2887}}^1$

素因数の和:2912

約数の個数: 72

約数和(自身を含む): 40998048

約数和(自身を除く): 28006548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 2887, 4500, 5774, 8661, 11548, 14435, 17322, 25983, 28870, 34644, 43305, 51966, 57740, 72175, 86610, 103932, 129915, 144350, 173220, 216525, 259830, 288700, 360875, 433050, 519660, 649575, 721750, 866100, 1082625, 1299150, 1443500, 2165250, 2598300, 3247875, 4330500, 6495750, 12991500]

約数ペア:

[(1, 12991500), (2, 6495750), (3, 4330500), (4, 3247875), (5, 2598300), (6, 2165250), (9, 1443500), (10, 1299150), (12, 1082625), (15, 866100), (18, 721750), (20, 649575), (25, 519660), (30, 433050), (36, 360875), (45, 288700), (50, 259830), (60, 216525), (75, 173220), (90, 144350), (100, 129915), (125, 103932), (150, 86610), (180, 72175), (225, 57740), (250, 51966), (300, 43305), (375, 34644), (450, 28870), (500, 25983), (750, 17322), (900, 14435), (1125, 11548), (1500, 8661), (2250, 5774), (2887, 4500)]