56703080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 146499840

約数和(自身を除く): 89796760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 647, 1252, 1294, 1565, 2191, 2504, 2588, 3130, 3235, 4382, 4529, 5176, 6260, 6470, 8764, 9058, 10955, 12520, 12940, 17528, 18116, 21910, 22645, 25880, 36232, 43820, 45290, 87640, 90580, 181160, 202511, 405022, 810044, 1012555, 1417577, 1620088, 2025110, 2835154, 4050220, 5670308, 7087885, 8100440, 11340616, 14175770, 28351540, 56703080]

約数ペア:

[(1, 56703080), (2, 28351540), (4, 14175770), (5, 11340616), (7, 8100440), (8, 7087885), (10, 5670308), (14, 4050220), (20, 2835154), (28, 2025110), (35, 1620088), (40, 1417577), (56, 1012555), (70, 810044), (140, 405022), (280, 202511), (313, 181160), (626, 90580), (647, 87640), (1252, 45290), (1294, 43820), (1565, 36232), (2191, 25880), (2504, 22645), (2588, 21910), (3130, 18116), (3235, 17528), (4382, 12940), (4529, 12520), (5176, 10955), (6260, 9058), (6470, 8764)]