15031940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 40449024

約数和(自身を除く): 25417084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 227, 301, 308, 385, 430, 454, 473, 602, 770, 860, 908, 946, 1135, 1204, 1505, 1540, 1589, 1892, 2270, 2365, 2497, 3010, 3178, 3311, 4540, 4730, 4994, 6020, 6356, 6622, 7945, 9460, 9761, 9988, 12485, 13244, 15890, 16555, 17479, 19522, 24970, 31780, 33110, 34958, 39044, 48805, 49940, 66220, 68327, 69916, 87395, 97610, 107371, 136654, 174790, 195220, 214742, 273308, 341635, 349580, 429484, 536855, 683270, 751597, 1073710, 1366540, 1503194, 2147420, 3006388, 3757985, 7515970, 15031940]

約数ペア:

[(1, 15031940), (2, 7515970), (4, 3757985), (5, 3006388), (7, 2147420), (10, 1503194), (11, 1366540), (14, 1073710), (20, 751597), (22, 683270), (28, 536855), (35, 429484), (43, 349580), (44, 341635), (55, 273308), (70, 214742), (77, 195220), (86, 174790), (110, 136654), (140, 107371), (154, 97610), (172, 87395), (215, 69916), (220, 68327), (227, 66220), (301, 49940), (308, 48805), (385, 39044), (430, 34958), (454, 33110), (473, 31780), (602, 24970), (770, 19522), (860, 17479), (908, 16555), (946, 15890), (1135, 13244), (1204, 12485), (1505, 9988), (1540, 9761), (1589, 9460), (1892, 7945), (2270, 6622), (2365, 6356), (2497, 6020), (3010, 4994), (3178, 4730), (3311, 4540)]