15882020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10313}}^1$

素因数の和:10340

約数の個数: 48

約数和(自身を含む): 41586048

約数和(自身を除く): 25704028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10313, 20626, 41252, 51565, 72191, 103130, 113443, 144382, 206260, 226886, 288764, 360955, 453772, 567215, 721910, 794101, 1134430, 1443820, 1588202, 2268860, 3176404, 3970505, 7941010, 15882020]

約数ペア:

[(1, 15882020), (2, 7941010), (4, 3970505), (5, 3176404), (7, 2268860), (10, 1588202), (11, 1443820), (14, 1134430), (20, 794101), (22, 721910), (28, 567215), (35, 453772), (44, 360955), (55, 288764), (70, 226886), (77, 206260), (110, 144382), (140, 113443), (154, 103130), (220, 72191), (308, 51565), (385, 41252), (770, 20626), (1540, 10313)]