72541980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{6397}}^1$

素因数の和:6425

約数の個数: 120

約数和(自身を含む): 260117088

約数和(自身を除く): 187575108

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, 2835, 3780, 5670, 6397, 11340, 12794, 19191, 25588, 31985, 38382, 44779, 57573, 63970, 76764, 89558, 95955, 115146, 127940, 134337, 172719, 179116, 191910, 223895, 230292, 268674, 287865, 345438, 383820, 403011, 447790, 518157, 537348, 575730, 671685, 690876, 806022, 863595, 895580, 1036314, 1151460, 1209033, 1343370, 1612044, 1727190, 2015055, 2072628, 2418066, 2590785, 2686740, 3454380, 3627099, 4030110, 4836132, 5181570, 6045165, 7254198, 8060220, 10363140, 12090330, 14508396, 18135495, 24180660, 36270990, 72541980]

約数ペア:

[(1, 72541980), (2, 36270990), (3, 24180660), (4, 18135495), (5, 14508396), (6, 12090330), (7, 10363140), (9, 8060220), (10, 7254198), (12, 6045165), (14, 5181570), (15, 4836132), (18, 4030110), (20, 3627099), (21, 3454380), (27, 2686740), (28, 2590785), (30, 2418066), (35, 2072628), (36, 2015055), (42, 1727190), (45, 1612044), (54, 1343370), (60, 1209033), (63, 1151460), (70, 1036314), (81, 895580), (84, 863595), (90, 806022), (105, 690876), (108, 671685), (126, 575730), (135, 537348), (140, 518157), (162, 447790), (180, 403011), (189, 383820), (210, 345438), (252, 287865), (270, 268674), (315, 230292), (324, 223895), (378, 191910), (405, 179116), (420, 172719), (540, 134337), (567, 127940), (630, 115146), (756, 95955), (810, 89558), (945, 76764), (1134, 63970), (1260, 57573), (1620, 44779), (1890, 38382), (2268, 31985), (2835, 25588), (3780, 19191), (5670, 12794), (6397, 11340)]