25615620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1409}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 78525720

約数和(自身を除く): 52910100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1409, 1515, 1818, 2020, 2818, 3030, 3636, 4227, 4545, 5636, 6060, 7045, 8454, 9090, 12681, 14090, 16908, 18180, 21135, 25362, 28180, 42270, 50724, 63405, 84540, 126810, 142309, 253620, 284618, 426927, 569236, 711545, 853854, 1280781, 1423090, 1707708, 2134635, 2561562, 2846180, 4269270, 5123124, 6403905, 8538540, 12807810, 25615620]

約数ペア:

[(1, 25615620), (2, 12807810), (3, 8538540), (4, 6403905), (5, 5123124), (6, 4269270), (9, 2846180), (10, 2561562), (12, 2134635), (15, 1707708), (18, 1423090), (20, 1280781), (30, 853854), (36, 711545), (45, 569236), (60, 426927), (90, 284618), (101, 253620), (180, 142309), (202, 126810), (303, 84540), (404, 63405), (505, 50724), (606, 42270), (909, 28180), (1010, 25362), (1212, 21135), (1409, 18180), (1515, 16908), (1818, 14090), (2020, 12681), (2818, 9090), (3030, 8454), (3636, 7045), (4227, 6060), (4545, 5636)]