65645720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2417}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 170614080

約数和(自身を除く): 104968360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2417, 2716, 3395, 3880, 4834, 5432, 6790, 9668, 12085, 13580, 16919, 19336, 24170, 27160, 33838, 48340, 67676, 84595, 96680, 135352, 169190, 234449, 338380, 468898, 676760, 937796, 1172245, 1641143, 1875592, 2344490, 3282286, 4688980, 6564572, 8205715, 9377960, 13129144, 16411430, 32822860, 65645720]

約数ペア:

[(1, 65645720), (2, 32822860), (4, 16411430), (5, 13129144), (7, 9377960), (8, 8205715), (10, 6564572), (14, 4688980), (20, 3282286), (28, 2344490), (35, 1875592), (40, 1641143), (56, 1172245), (70, 937796), (97, 676760), (140, 468898), (194, 338380), (280, 234449), (388, 169190), (485, 135352), (679, 96680), (776, 84595), (970, 67676), (1358, 48340), (1940, 33838), (2417, 27160), (2716, 24170), (3395, 19336), (3880, 16919), (4834, 13580), (5432, 12085), (6790, 9668)]