128676870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 396564480

約数和(自身を除く): 267887610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 103, 105, 126, 135, 189, 206, 210, 270, 309, 315, 378, 515, 618, 630, 661, 721, 927, 945, 1030, 1322, 1442, 1545, 1854, 1890, 1983, 2163, 2781, 3090, 3305, 3605, 3966, 4326, 4627, 4635, 5562, 5949, 6489, 6610, 7210, 9254, 9270, 9915, 10815, 11898, 12978, 13881, 13905, 17847, 19467, 19830, 21630, 23135, 27762, 27810, 29745, 32445, 35694, 38934, 41643, 46270, 59490, 64890, 68083, 69405, 83286, 89235, 97335, 124929, 136166, 138810, 178470, 194670, 204249, 208215, 249858, 340415, 408498, 416430, 476581, 612747, 624645, 680830, 953162, 1021245, 1225494, 1249290, 1429743, 1838241, 2042490, 2382905, 2859486, 3063735, 3676482, 4289229, 4765810, 6127470, 7148715, 8578458, 9191205, 12867687, 14297430, 18382410, 21446145, 25735374, 42892290, 64338435, 128676870]

約数ペア:

[(1, 128676870), (2, 64338435), (3, 42892290), (5, 25735374), (6, 21446145), (7, 18382410), (9, 14297430), (10, 12867687), (14, 9191205), (15, 8578458), (18, 7148715), (21, 6127470), (27, 4765810), (30, 4289229), (35, 3676482), (42, 3063735), (45, 2859486), (54, 2382905), (63, 2042490), (70, 1838241), (90, 1429743), (103, 1249290), (105, 1225494), (126, 1021245), (135, 953162), (189, 680830), (206, 624645), (210, 612747), (270, 476581), (309, 416430), (315, 408498), (378, 340415), (515, 249858), (618, 208215), (630, 204249), (661, 194670), (721, 178470), (927, 138810), (945, 136166), (1030, 124929), (1322, 97335), (1442, 89235), (1545, 83286), (1854, 69405), (1890, 68083), (1983, 64890), (2163, 59490), (2781, 46270), (3090, 41643), (3305, 38934), (3605, 35694), (3966, 32445), (4326, 29745), (4627, 27810), (4635, 27762), (5562, 23135), (5949, 21630), (6489, 19830), (6610, 19467), (7210, 17847), (9254, 13905), (9270, 13881), (9915, 12978), (10815, 11898)]