15857880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 48072960

約数和(自身を除く): 32215080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1283, 1545, 2060, 2472, 2566, 3090, 3849, 4120, 5132, 6180, 6415, 7698, 10264, 12360, 12830, 15396, 19245, 25660, 30792, 38490, 51320, 76980, 132149, 153960, 264298, 396447, 528596, 660745, 792894, 1057192, 1321490, 1585788, 1982235, 2642980, 3171576, 3964470, 5285960, 7928940, 15857880]

約数ペア:

[(1, 15857880), (2, 7928940), (3, 5285960), (4, 3964470), (5, 3171576), (6, 2642980), (8, 1982235), (10, 1585788), (12, 1321490), (15, 1057192), (20, 792894), (24, 660745), (30, 528596), (40, 396447), (60, 264298), (103, 153960), (120, 132149), (206, 76980), (309, 51320), (412, 38490), (515, 30792), (618, 25660), (824, 19245), (1030, 15396), (1236, 12830), (1283, 12360), (1545, 10264), (2060, 7698), (2472, 6415), (2566, 6180), (3090, 5132), (3849, 4120)]