78381120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81647}}^1$

素因数の和:81667

約数の個数: 56

約数和(自身を含む): 248863104

約数和(自身を除く): 170481984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 81647, 163294, 244941, 326588, 408235, 489882, 653176, 816470, 979764, 1224705, 1306352, 1632940, 1959528, 2449410, 2612704, 3265880, 3919056, 4898820, 5225408, 6531760, 7838112, 9797640, 13063520, 15676224, 19595280, 26127040, 39190560, 78381120]

約数ペア:

[(1, 78381120), (2, 39190560), (3, 26127040), (4, 19595280), (5, 15676224), (6, 13063520), (8, 9797640), (10, 7838112), (12, 6531760), (15, 5225408), (16, 4898820), (20, 3919056), (24, 3265880), (30, 2612704), (32, 2449410), (40, 1959528), (48, 1632940), (60, 1306352), (64, 1224705), (80, 979764), (96, 816470), (120, 653176), (160, 489882), (192, 408235), (240, 326588), (320, 244941), (480, 163294), (960, 81647)]