72420975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 146530800

約数和(自身を除く): 74109825

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 87, 99, 145, 165, 225, 261, 275, 319, 435, 495, 725, 825, 957, 1009, 1305, 1595, 2175, 2475, 2871, 3027, 4785, 5045, 6525, 7975, 9081, 11099, 14355, 15135, 23925, 25225, 29261, 33297, 45405, 55495, 71775, 75675, 87783, 99891, 146305, 166485, 227025, 263349, 277475, 321871, 438915, 499455, 731525, 832425, 965613, 1316745, 1609355, 2194575, 2497275, 2896839, 4828065, 6583725, 8046775, 14484195, 24140325, 72420975]

約数ペア:

[(1, 72420975), (3, 24140325), (5, 14484195), (9, 8046775), (11, 6583725), (15, 4828065), (25, 2896839), (29, 2497275), (33, 2194575), (45, 1609355), (55, 1316745), (75, 965613), (87, 832425), (99, 731525), (145, 499455), (165, 438915), (225, 321871), (261, 277475), (275, 263349), (319, 227025), (435, 166485), (495, 146305), (725, 99891), (825, 87783), (957, 75675), (1009, 71775), (1305, 55495), (1595, 45405), (2175, 33297), (2475, 29261), (2871, 25225), (3027, 23925), (4785, 15135), (5045, 14355), (6525, 11099), (7975, 9081)]