15639080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 21685720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 191, 230, 356, 382, 445, 460, 712, 764, 890, 920, 955, 1528, 1780, 1910, 2047, 3560, 3820, 4094, 4393, 7640, 8188, 8786, 10235, 16376, 16999, 17572, 20470, 21965, 33998, 35144, 40940, 43930, 67996, 81880, 84995, 87860, 135992, 169990, 175720, 339980, 390977, 679960, 781954, 1563908, 1954885, 3127816, 3909770, 7819540, 15639080]

約数ペア:

[(1, 15639080), (2, 7819540), (4, 3909770), (5, 3127816), (8, 1954885), (10, 1563908), (20, 781954), (23, 679960), (40, 390977), (46, 339980), (89, 175720), (92, 169990), (115, 135992), (178, 87860), (184, 84995), (191, 81880), (230, 67996), (356, 43930), (382, 40940), (445, 35144), (460, 33998), (712, 21965), (764, 20470), (890, 17572), (920, 16999), (955, 16376), (1528, 10235), (1780, 8786), (1910, 8188), (2047, 7640), (3560, 4393), (3820, 4094)]