66782640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278261}}^1$

素因数の和:278277

約数の個数: 40

約数和(自身を含む): 207026928

約数和(自身を除く): 140244288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278261, 556522, 834783, 1113044, 1391305, 1669566, 2226088, 2782610, 3339132, 4173915, 4452176, 5565220, 6678264, 8347830, 11130440, 13356528, 16695660, 22260880, 33391320, 66782640]

約数ペア:

[(1, 66782640), (2, 33391320), (3, 22260880), (4, 16695660), (5, 13356528), (6, 11130440), (8, 8347830), (10, 6678264), (12, 5565220), (15, 4452176), (16, 4173915), (20, 3339132), (24, 2782610), (30, 2226088), (40, 1669566), (48, 1391305), (60, 1113044), (80, 834783), (120, 556522), (240, 278261)]