15401820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36671}}^1$

素因数の和:36690

約数の個数: 48

約数和(自身を含む): 49287168

約数和(自身を除く): 33885348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36671, 73342, 110013, 146684, 183355, 220026, 256697, 366710, 440052, 513394, 550065, 733420, 770091, 1026788, 1100130, 1283485, 1540182, 2200260, 2566970, 3080364, 3850455, 5133940, 7700910, 15401820]

約数ペア:

[(1, 15401820), (2, 7700910), (3, 5133940), (4, 3850455), (5, 3080364), (6, 2566970), (7, 2200260), (10, 1540182), (12, 1283485), (14, 1100130), (15, 1026788), (20, 770091), (21, 733420), (28, 550065), (30, 513394), (35, 440052), (42, 366710), (60, 256697), (70, 220026), (84, 183355), (105, 146684), (140, 110013), (210, 73342), (420, 36671)]