154297680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{642907}}^1$

素因数の和:642923

約数の個数: 40

約数和(自身を含む): 478323552

約数和(自身を除く): 324025872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 642907, 1285814, 1928721, 2571628, 3214535, 3857442, 5143256, 6429070, 7714884, 9643605, 10286512, 12858140, 15429768, 19287210, 25716280, 30859536, 38574420, 51432560, 77148840, 154297680]

約数ペア:

[(1, 154297680), (2, 77148840), (3, 51432560), (4, 38574420), (5, 30859536), (6, 25716280), (8, 19287210), (10, 15429768), (12, 12858140), (15, 10286512), (16, 9643605), (20, 7714884), (24, 6429070), (30, 5143256), (40, 3857442), (48, 3214535), (60, 2571628), (80, 1928721), (120, 1285814), (240, 642907)]