77148840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642907}}^1$

素因数の和:642921

約数の個数: 32

約数和(自身を含む): 231446880

約数和(自身を除く): 154298040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642907, 1285814, 1928721, 2571628, 3214535, 3857442, 5143256, 6429070, 7714884, 9643605, 12858140, 15429768, 19287210, 25716280, 38574420, 77148840]

約数ペア:

[(1, 77148840), (2, 38574420), (3, 25716280), (4, 19287210), (5, 15429768), (6, 12858140), (8, 9643605), (10, 7714884), (12, 6429070), (15, 5143256), (20, 3857442), (24, 3214535), (30, 2571628), (40, 1928721), (60, 1285814), (120, 642907)]