260339216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 548923200

約数和(自身を除く): 288583984

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 101, 122, 139, 152, 202, 244, 278, 304, 404, 488, 556, 808, 976, 1112, 1159, 1616, 1919, 2224, 2318, 2641, 3838, 4636, 5282, 6161, 7676, 8479, 9272, 10564, 12322, 14039, 15352, 16958, 18544, 21128, 24644, 28078, 30704, 33916, 42256, 49288, 56156, 67832, 98576, 112312, 117059, 135664, 161101, 224624, 234118, 266741, 322202, 468236, 533482, 644404, 856379, 936472, 1066964, 1288808, 1712758, 1872944, 2133928, 2577616, 3425516, 4267856, 6851032, 13702064, 16271201, 32542402, 65084804, 130169608, 260339216]

約数ペア:

[(1, 260339216), (2, 130169608), (4, 65084804), (8, 32542402), (16, 16271201), (19, 13702064), (38, 6851032), (61, 4267856), (76, 3425516), (101, 2577616), (122, 2133928), (139, 1872944), (152, 1712758), (202, 1288808), (244, 1066964), (278, 936472), (304, 856379), (404, 644404), (488, 533482), (556, 468236), (808, 322202), (976, 266741), (1112, 234118), (1159, 224624), (1616, 161101), (1919, 135664), (2224, 117059), (2318, 112312), (2641, 98576), (3838, 67832), (4636, 56156), (5282, 49288), (6161, 42256), (7676, 33916), (8479, 30704), (9272, 28078), (10564, 24644), (12322, 21128), (14039, 18544), (15352, 16958)]