51556770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 138205440

約数和(自身を除く): 86648670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 514, 743, 771, 1285, 1486, 1542, 2229, 2313, 2570, 3715, 3855, 4458, 4626, 6687, 6939, 7430, 7710, 11145, 11565, 13374, 13878, 20061, 22290, 23130, 33435, 34695, 40122, 66870, 69390, 100305, 190951, 200610, 381902, 572853, 954755, 1145706, 1718559, 1909510, 2864265, 3437118, 5155677, 5728530, 8592795, 10311354, 17185590, 25778385, 51556770]

約数ペア:

[(1, 51556770), (2, 25778385), (3, 17185590), (5, 10311354), (6, 8592795), (9, 5728530), (10, 5155677), (15, 3437118), (18, 2864265), (27, 1909510), (30, 1718559), (45, 1145706), (54, 954755), (90, 572853), (135, 381902), (257, 200610), (270, 190951), (514, 100305), (743, 69390), (771, 66870), (1285, 40122), (1486, 34695), (1542, 33435), (2229, 23130), (2313, 22290), (2570, 20061), (3715, 13878), (3855, 13374), (4458, 11565), (4626, 11145), (6687, 7710), (6939, 7430)]