7495740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 26914272

約数和(自身を除く): 19418532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 661, 756, 810, 945, 1134, 1260, 1322, 1620, 1890, 1983, 2268, 2644, 2835, 3305, 3780, 3966, 4627, 5670, 5949, 6610, 7932, 9254, 9915, 11340, 11898, 13220, 13881, 17847, 18508, 19830, 23135, 23796, 27762, 29745, 35694, 39660, 41643, 46270, 53541, 55524, 59490, 69405, 71388, 83286, 89235, 92540, 107082, 118980, 124929, 138810, 166572, 178470, 208215, 214164, 249858, 267705, 277620, 356940, 374787, 416430, 499716, 535410, 624645, 749574, 832860, 1070820, 1249290, 1499148, 1873935, 2498580, 3747870, 7495740]

約数ペア:

[(1, 7495740), (2, 3747870), (3, 2498580), (4, 1873935), (5, 1499148), (6, 1249290), (7, 1070820), (9, 832860), (10, 749574), (12, 624645), (14, 535410), (15, 499716), (18, 416430), (20, 374787), (21, 356940), (27, 277620), (28, 267705), (30, 249858), (35, 214164), (36, 208215), (42, 178470), (45, 166572), (54, 138810), (60, 124929), (63, 118980), (70, 107082), (81, 92540), (84, 89235), (90, 83286), (105, 71388), (108, 69405), (126, 59490), (135, 55524), (140, 53541), (162, 46270), (180, 41643), (189, 39660), (210, 35694), (252, 29745), (270, 27762), (315, 23796), (324, 23135), (378, 19830), (405, 18508), (420, 17847), (540, 13881), (567, 13220), (630, 11898), (661, 11340), (756, 9915), (810, 9254), (945, 7932), (1134, 6610), (1260, 5949), (1322, 5670), (1620, 4627), (1890, 3966), (1983, 3780), (2268, 3305), (2644, 2835)]