259128080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 638947200

約数和(自身を除く): 379819120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 302, 304, 380, 604, 755, 760, 1129, 1208, 1510, 1520, 2258, 2416, 2869, 3020, 4516, 5645, 5738, 6040, 9032, 11290, 11476, 12080, 14345, 18064, 21451, 22580, 22952, 28690, 42902, 45160, 45904, 57380, 85804, 90320, 107255, 114760, 170479, 171608, 214510, 229520, 340958, 343216, 429020, 681916, 852395, 858040, 1363832, 1704790, 1716080, 2727664, 3239101, 3409580, 6478202, 6819160, 12956404, 13638320, 16195505, 25912808, 32391010, 51825616, 64782020, 129564040, 259128080]

約数ペア:

[(1, 259128080), (2, 129564040), (4, 64782020), (5, 51825616), (8, 32391010), (10, 25912808), (16, 16195505), (19, 13638320), (20, 12956404), (38, 6819160), (40, 6478202), (76, 3409580), (80, 3239101), (95, 2727664), (151, 1716080), (152, 1704790), (190, 1363832), (302, 858040), (304, 852395), (380, 681916), (604, 429020), (755, 343216), (760, 340958), (1129, 229520), (1208, 214510), (1510, 171608), (1520, 170479), (2258, 114760), (2416, 107255), (2869, 90320), (3020, 85804), (4516, 57380), (5645, 45904), (5738, 45160), (6040, 42902), (9032, 28690), (11290, 22952), (11476, 22580), (12080, 21451), (14345, 18064)]