90984160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^2$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 227578680

約数和(自身を除く): 136594520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 173, 190, 304, 346, 380, 608, 692, 760, 865, 1384, 1520, 1730, 2768, 3040, 3287, 3460, 5536, 6574, 6920, 13148, 13840, 16435, 26296, 27680, 29929, 32870, 52592, 59858, 65740, 105184, 119716, 131480, 149645, 239432, 262960, 299290, 478864, 525920, 568651, 598580, 957728, 1137302, 1197160, 2274604, 2394320, 2843255, 4549208, 4788640, 5686510, 9098416, 11373020, 18196832, 22746040, 45492080, 90984160]

約数ペア:

[(1, 90984160), (2, 45492080), (4, 22746040), (5, 18196832), (8, 11373020), (10, 9098416), (16, 5686510), (19, 4788640), (20, 4549208), (32, 2843255), (38, 2394320), (40, 2274604), (76, 1197160), (80, 1137302), (95, 957728), (152, 598580), (160, 568651), (173, 525920), (190, 478864), (304, 299290), (346, 262960), (380, 239432), (608, 149645), (692, 131480), (760, 119716), (865, 105184), (1384, 65740), (1520, 59858), (1730, 52592), (2768, 32870), (3040, 29929), (3287, 27680), (3460, 26296), (5536, 16435), (6574, 13840), (6920, 13148)]