31278160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45859760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 191, 230, 356, 368, 382, 445, 460, 712, 764, 890, 920, 955, 1424, 1528, 1780, 1840, 1910, 2047, 3056, 3560, 3820, 4094, 4393, 7120, 7640, 8188, 8786, 10235, 15280, 16376, 16999, 17572, 20470, 21965, 32752, 33998, 35144, 40940, 43930, 67996, 70288, 81880, 84995, 87860, 135992, 163760, 169990, 175720, 271984, 339980, 351440, 390977, 679960, 781954, 1359920, 1563908, 1954885, 3127816, 3909770, 6255632, 7819540, 15639080, 31278160]

約数ペア:

[(1, 31278160), (2, 15639080), (4, 7819540), (5, 6255632), (8, 3909770), (10, 3127816), (16, 1954885), (20, 1563908), (23, 1359920), (40, 781954), (46, 679960), (80, 390977), (89, 351440), (92, 339980), (115, 271984), (178, 175720), (184, 169990), (191, 163760), (230, 135992), (356, 87860), (368, 84995), (382, 81880), (445, 70288), (460, 67996), (712, 43930), (764, 40940), (890, 35144), (920, 33998), (955, 32752), (1424, 21965), (1528, 20470), (1780, 17572), (1840, 16999), (1910, 16376), (2047, 15280), (3056, 10235), (3560, 8786), (3820, 8188), (4094, 7640), (4393, 7120)]