77885880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22381}}^1$

素因数の和:22424

約数の個数: 64

約数和(自身を含む): 241725600

約数和(自身を除く): 163839720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 22381, 44762, 67143, 89524, 111905, 134286, 179048, 223810, 268572, 335715, 447620, 537144, 649049, 671430, 895240, 1298098, 1342860, 1947147, 2596196, 2685720, 3245245, 3894294, 5192392, 6490490, 7788588, 9735735, 12980980, 15577176, 19471470, 25961960, 38942940, 77885880]

約数ペア:

[(1, 77885880), (2, 38942940), (3, 25961960), (4, 19471470), (5, 15577176), (6, 12980980), (8, 9735735), (10, 7788588), (12, 6490490), (15, 5192392), (20, 3894294), (24, 3245245), (29, 2685720), (30, 2596196), (40, 1947147), (58, 1342860), (60, 1298098), (87, 895240), (116, 671430), (120, 649049), (145, 537144), (174, 447620), (232, 335715), (290, 268572), (348, 223810), (435, 179048), (580, 134286), (696, 111905), (870, 89524), (1160, 67143), (1740, 44762), (3480, 22381)]