15317960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 39726720

約数和(自身を除く): 24408760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 241, 280, 454, 482, 908, 964, 1135, 1205, 1589, 1687, 1816, 1928, 2270, 2410, 3178, 3374, 4540, 4820, 6356, 6748, 7945, 8435, 9080, 9640, 12712, 13496, 15890, 16870, 31780, 33740, 54707, 63560, 67480, 109414, 218828, 273535, 382949, 437656, 547070, 765898, 1094140, 1531796, 1914745, 2188280, 3063592, 3829490, 7658980, 15317960]

約数ペア:

[(1, 15317960), (2, 7658980), (4, 3829490), (5, 3063592), (7, 2188280), (8, 1914745), (10, 1531796), (14, 1094140), (20, 765898), (28, 547070), (35, 437656), (40, 382949), (56, 273535), (70, 218828), (140, 109414), (227, 67480), (241, 63560), (280, 54707), (454, 33740), (482, 31780), (908, 16870), (964, 15890), (1135, 13496), (1205, 12712), (1589, 9640), (1687, 9080), (1816, 8435), (1928, 7945), (2270, 6748), (2410, 6356), (3178, 4820), (3374, 4540)]