15671320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 40783680

約数和(自身を除く): 25112360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 577, 679, 776, 970, 1154, 1358, 1940, 2308, 2716, 2885, 3395, 3880, 4039, 4616, 5432, 5770, 6790, 8078, 11540, 13580, 16156, 20195, 23080, 27160, 32312, 40390, 55969, 80780, 111938, 161560, 223876, 279845, 391783, 447752, 559690, 783566, 1119380, 1567132, 1958915, 2238760, 3134264, 3917830, 7835660, 15671320]

約数ペア:

[(1, 15671320), (2, 7835660), (4, 3917830), (5, 3134264), (7, 2238760), (8, 1958915), (10, 1567132), (14, 1119380), (20, 783566), (28, 559690), (35, 447752), (40, 391783), (56, 279845), (70, 223876), (97, 161560), (140, 111938), (194, 80780), (280, 55969), (388, 40390), (485, 32312), (577, 27160), (679, 23080), (776, 20195), (970, 16156), (1154, 13580), (1358, 11540), (1940, 8078), (2308, 6790), (2716, 5770), (2885, 5432), (3395, 4616), (3880, 4039)]