15131820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 31752276

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 101, 110, 132, 165, 202, 220, 227, 303, 330, 404, 454, 505, 606, 660, 681, 908, 1010, 1111, 1135, 1212, 1362, 1515, 2020, 2222, 2270, 2497, 2724, 3030, 3333, 3405, 4444, 4540, 4994, 5555, 6060, 6666, 6810, 7491, 9988, 11110, 12485, 13332, 13620, 14982, 16665, 22220, 22927, 24970, 29964, 33330, 37455, 45854, 49940, 66660, 68781, 74910, 91708, 114635, 137562, 149820, 229270, 252197, 275124, 343905, 458540, 504394, 687810, 756591, 1008788, 1260985, 1375620, 1513182, 2521970, 3026364, 3782955, 5043940, 7565910, 15131820]

約数ペア:

[(1, 15131820), (2, 7565910), (3, 5043940), (4, 3782955), (5, 3026364), (6, 2521970), (10, 1513182), (11, 1375620), (12, 1260985), (15, 1008788), (20, 756591), (22, 687810), (30, 504394), (33, 458540), (44, 343905), (55, 275124), (60, 252197), (66, 229270), (101, 149820), (110, 137562), (132, 114635), (165, 91708), (202, 74910), (220, 68781), (227, 66660), (303, 49940), (330, 45854), (404, 37455), (454, 33330), (505, 29964), (606, 24970), (660, 22927), (681, 22220), (908, 16665), (1010, 14982), (1111, 13620), (1135, 13332), (1212, 12485), (1362, 11110), (1515, 9988), (2020, 7491), (2222, 6810), (2270, 6666), (2497, 6060), (2724, 5555), (3030, 4994), (3333, 4540), (3405, 4444)]