7880280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 23919840

約数和(自身を除く): 16039560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 677, 776, 970, 1164, 1354, 1455, 1940, 2031, 2328, 2708, 2910, 3385, 3880, 4062, 5416, 5820, 6770, 8124, 10155, 11640, 13540, 16248, 20310, 27080, 40620, 65669, 81240, 131338, 197007, 262676, 328345, 394014, 525352, 656690, 788028, 985035, 1313380, 1576056, 1970070, 2626760, 3940140, 7880280]

約数ペア:

[(1, 7880280), (2, 3940140), (3, 2626760), (4, 1970070), (5, 1576056), (6, 1313380), (8, 985035), (10, 788028), (12, 656690), (15, 525352), (20, 394014), (24, 328345), (30, 262676), (40, 197007), (60, 131338), (97, 81240), (120, 65669), (194, 40620), (291, 27080), (388, 20310), (485, 16248), (582, 13540), (677, 11640), (776, 10155), (970, 8124), (1164, 6770), (1354, 5820), (1455, 5416), (1940, 4062), (2031, 3880), (2328, 3385), (2708, 2910)]