81670140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151241}}^1$

素因数の和:151259

約数の個数: 48

約数和(自身を含む): 254086560

約数和(自身を除く): 172416420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151241, 302482, 453723, 604964, 756205, 907446, 1361169, 1512410, 1814892, 2268615, 2722338, 3024820, 4083507, 4537230, 5444676, 6805845, 8167014, 9074460, 13611690, 16334028, 20417535, 27223380, 40835070, 81670140]

約数ペア:

[(1, 81670140), (2, 40835070), (3, 27223380), (4, 20417535), (5, 16334028), (6, 13611690), (9, 9074460), (10, 8167014), (12, 6805845), (15, 5444676), (18, 4537230), (20, 4083507), (27, 3024820), (30, 2722338), (36, 2268615), (45, 1814892), (54, 1512410), (60, 1361169), (90, 907446), (108, 756205), (135, 604964), (180, 453723), (270, 302482), (540, 151241)]