15263920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 41122368

約数和(自身を除く): 25858448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 281, 388, 485, 560, 562, 679, 776, 970, 1124, 1358, 1405, 1552, 1940, 1967, 2248, 2716, 2810, 3395, 3880, 3934, 4496, 5432, 5620, 6790, 7760, 7868, 9835, 10864, 11240, 13580, 15736, 19670, 22480, 27160, 27257, 31472, 39340, 54320, 54514, 78680, 109028, 136285, 157360, 190799, 218056, 272570, 381598, 436112, 545140, 763196, 953995, 1090280, 1526392, 1907990, 2180560, 3052784, 3815980, 7631960, 15263920]

約数ペア:

[(1, 15263920), (2, 7631960), (4, 3815980), (5, 3052784), (7, 2180560), (8, 1907990), (10, 1526392), (14, 1090280), (16, 953995), (20, 763196), (28, 545140), (35, 436112), (40, 381598), (56, 272570), (70, 218056), (80, 190799), (97, 157360), (112, 136285), (140, 109028), (194, 78680), (280, 54514), (281, 54320), (388, 39340), (485, 31472), (560, 27257), (562, 27160), (679, 22480), (776, 19670), (970, 15736), (1124, 13580), (1358, 11240), (1405, 10864), (1552, 9835), (1940, 7868), (1967, 7760), (2248, 6790), (2716, 5620), (2810, 5432), (3395, 4496), (3880, 3934)]