15942920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 41489280

約数和(自身を除く): 25546360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 587, 679, 776, 970, 1174, 1358, 1940, 2348, 2716, 2935, 3395, 3880, 4109, 4696, 5432, 5870, 6790, 8218, 11740, 13580, 16436, 20545, 23480, 27160, 32872, 41090, 56939, 82180, 113878, 164360, 227756, 284695, 398573, 455512, 569390, 797146, 1138780, 1594292, 1992865, 2277560, 3188584, 3985730, 7971460, 15942920]

約数ペア:

[(1, 15942920), (2, 7971460), (4, 3985730), (5, 3188584), (7, 2277560), (8, 1992865), (10, 1594292), (14, 1138780), (20, 797146), (28, 569390), (35, 455512), (40, 398573), (56, 284695), (70, 227756), (97, 164360), (140, 113878), (194, 82180), (280, 56939), (388, 41090), (485, 32872), (587, 27160), (679, 23480), (776, 20545), (970, 16436), (1174, 13580), (1358, 11740), (1940, 8218), (2348, 6790), (2716, 5870), (2935, 5432), (3395, 4696), (3880, 4109)]