128370420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79241}}^1$

素因数の和:79262

約数の個数: 60

約数和(自身を含む): 402707844

約数和(自身を除く): 274337424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79241, 158482, 237723, 316964, 396205, 475446, 713169, 792410, 950892, 1188615, 1426338, 1584820, 2139507, 2377230, 2852676, 3565845, 4279014, 4754460, 6418521, 7131690, 8558028, 10697535, 12837042, 14263380, 21395070, 25674084, 32092605, 42790140, 64185210, 128370420]

約数ペア:

[(1, 128370420), (2, 64185210), (3, 42790140), (4, 32092605), (5, 25674084), (6, 21395070), (9, 14263380), (10, 12837042), (12, 10697535), (15, 8558028), (18, 7131690), (20, 6418521), (27, 4754460), (30, 4279014), (36, 3565845), (45, 2852676), (54, 2377230), (60, 2139507), (81, 1584820), (90, 1426338), (108, 1188615), (135, 950892), (162, 792410), (180, 713169), (270, 475446), (324, 396205), (405, 316964), (540, 237723), (810, 158482), (1620, 79241)]