255279780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2441}}^1$

素因数の和:2546

約数の個数: 144

約数和(自身を含む): 895999104

約数和(自身を除く): 640719324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2441, 2490, 2905, 2988, 3486, 3735, 4882, 4980, 5229, 5810, 6972, 7323, 7470, 8715, 9764, 10458, 11620, 12205, 14646, 14940, 17087, 17430, 20916, 21969, 24410, 26145, 29292, 34174, 34860, 36615, 43938, 48820, 51261, 52290, 68348, 73230, 85435, 87876, 102522, 104580, 109845, 146460, 153783, 170870, 202603, 205044, 219690, 256305, 307566, 341740, 405206, 439380, 512610, 607809, 615132, 768915, 810412, 1013015, 1025220, 1215618, 1418221, 1537830, 1823427, 2026030, 2431236, 2836442, 3039045, 3075660, 3646854, 4052060, 4254663, 5672884, 6078090, 7091105, 7293708, 8509326, 9117135, 12156180, 12763989, 14182210, 17018652, 18234270, 21273315, 25527978, 28364420, 36468540, 42546630, 51055956, 63819945, 85093260, 127639890, 255279780]

約数ペア:

[(1, 255279780), (2, 127639890), (3, 85093260), (4, 63819945), (5, 51055956), (6, 42546630), (7, 36468540), (9, 28364420), (10, 25527978), (12, 21273315), (14, 18234270), (15, 17018652), (18, 14182210), (20, 12763989), (21, 12156180), (28, 9117135), (30, 8509326), (35, 7293708), (36, 7091105), (42, 6078090), (45, 5672884), (60, 4254663), (63, 4052060), (70, 3646854), (83, 3075660), (84, 3039045), (90, 2836442), (105, 2431236), (126, 2026030), (140, 1823427), (166, 1537830), (180, 1418221), (210, 1215618), (249, 1025220), (252, 1013015), (315, 810412), (332, 768915), (415, 615132), (420, 607809), (498, 512610), (581, 439380), (630, 405206), (747, 341740), (830, 307566), (996, 256305), (1162, 219690), (1245, 205044), (1260, 202603), (1494, 170870), (1660, 153783), (1743, 146460), (2324, 109845), (2441, 104580), (2490, 102522), (2905, 87876), (2988, 85435), (3486, 73230), (3735, 68348), (4882, 52290), (4980, 51261), (5229, 48820), (5810, 43938), (6972, 36615), (7323, 34860), (7470, 34174), (8715, 29292), (9764, 26145), (10458, 24410), (11620, 21969), (12205, 20916), (14646, 17430), (14940, 17087)]