90098960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 240734592

約数和(自身を除く): 150635632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 641, 1004, 1255, 1282, 1757, 2008, 2510, 2564, 3205, 3514, 4016, 4487, 5020, 5128, 6410, 7028, 8785, 8974, 10040, 10256, 12820, 14056, 17570, 17948, 20080, 22435, 25640, 28112, 35140, 35896, 44870, 51280, 70280, 71792, 89740, 140560, 160891, 179480, 321782, 358960, 643564, 804455, 1126237, 1287128, 1608910, 2252474, 2574256, 3217820, 4504948, 5631185, 6435640, 9009896, 11262370, 12871280, 18019792, 22524740, 45049480, 90098960]

約数ペア:

[(1, 90098960), (2, 45049480), (4, 22524740), (5, 18019792), (7, 12871280), (8, 11262370), (10, 9009896), (14, 6435640), (16, 5631185), (20, 4504948), (28, 3217820), (35, 2574256), (40, 2252474), (56, 1608910), (70, 1287128), (80, 1126237), (112, 804455), (140, 643564), (251, 358960), (280, 321782), (502, 179480), (560, 160891), (641, 140560), (1004, 89740), (1255, 71792), (1282, 70280), (1757, 51280), (2008, 44870), (2510, 35896), (2564, 35140), (3205, 28112), (3514, 25640), (4016, 22435), (4487, 20080), (5020, 17948), (5128, 17570), (6410, 14056), (7028, 12820), (8785, 10256), (8974, 10040)]