156630775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 249726080

約数和(自身を除く): 93095305

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 163, 175, 289, 323, 425, 475, 595, 665, 815, 1141, 1445, 1615, 2023, 2261, 2771, 2975, 3097, 3325, 4075, 5491, 5705, 7225, 8075, 10115, 11305, 13855, 15485, 19397, 21679, 27455, 28525, 38437, 47107, 50575, 52649, 56525, 69275, 77425, 96985, 108395, 137275, 192185, 235535, 263245, 329749, 368543, 484925, 541975, 895033, 960925, 1177675, 1316225, 1648745, 1842715, 4475165, 6265231, 8243725, 9213575, 22375825, 31326155, 156630775]

約数ペア:

[(1, 156630775), (5, 31326155), (7, 22375825), (17, 9213575), (19, 8243725), (25, 6265231), (35, 4475165), (85, 1842715), (95, 1648745), (119, 1316225), (133, 1177675), (163, 960925), (175, 895033), (289, 541975), (323, 484925), (425, 368543), (475, 329749), (595, 263245), (665, 235535), (815, 192185), (1141, 137275), (1445, 108395), (1615, 96985), (2023, 77425), (2261, 69275), (2771, 56525), (2975, 52649), (3097, 50575), (3325, 47107), (4075, 38437), (5491, 28525), (5705, 27455), (7225, 21679), (8075, 19397), (10115, 15485), (11305, 13855)]