27680940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2441}}^1$

素因数の和:2469

約数の個数: 120

約数和(自身を含む): 99281952

約数和(自身を除く): 71601012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2441, 2835, 3780, 4882, 5670, 7323, 9764, 11340, 12205, 14646, 17087, 21969, 24410, 29292, 34174, 36615, 43938, 48820, 51261, 65907, 68348, 73230, 85435, 87876, 102522, 109845, 131814, 146460, 153783, 170870, 197721, 205044, 219690, 256305, 263628, 307566, 329535, 341740, 395442, 439380, 461349, 512610, 615132, 659070, 768915, 790884, 922698, 988605, 1025220, 1318140, 1384047, 1537830, 1845396, 1977210, 2306745, 2768094, 3075660, 3954420, 4613490, 5536188, 6920235, 9226980, 13840470, 27680940]

約数ペア:

[(1, 27680940), (2, 13840470), (3, 9226980), (4, 6920235), (5, 5536188), (6, 4613490), (7, 3954420), (9, 3075660), (10, 2768094), (12, 2306745), (14, 1977210), (15, 1845396), (18, 1537830), (20, 1384047), (21, 1318140), (27, 1025220), (28, 988605), (30, 922698), (35, 790884), (36, 768915), (42, 659070), (45, 615132), (54, 512610), (60, 461349), (63, 439380), (70, 395442), (81, 341740), (84, 329535), (90, 307566), (105, 263628), (108, 256305), (126, 219690), (135, 205044), (140, 197721), (162, 170870), (180, 153783), (189, 146460), (210, 131814), (252, 109845), (270, 102522), (315, 87876), (324, 85435), (378, 73230), (405, 68348), (420, 65907), (540, 51261), (567, 48820), (630, 43938), (756, 36615), (810, 34174), (945, 29292), (1134, 24410), (1260, 21969), (1620, 17087), (1890, 14646), (2268, 12205), (2441, 11340), (2835, 9764), (3780, 7323), (4882, 5670)]