78400320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81667}}^1$

素因数の和:81687

約数の個数: 56

約数和(自身を含む): 248924064

約数和(自身を除く): 170523744

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, 81667, 163334, 245001, 326668, 408335, 490002, 653336, 816670, 980004, 1225005, 1306672, 1633340, 1960008, 2450010, 2613344, 3266680, 3920016, 4900020, 5226688, 6533360, 7840032, 9800040, 13066720, 15680064, 19600080, 26133440, 39200160, 78400320]

約数ペア:

[(1, 78400320), (2, 39200160), (3, 26133440), (4, 19600080), (5, 15680064), (6, 13066720), (8, 9800040), (10, 7840032), (12, 6533360), (15, 5226688), (16, 4900020), (20, 3920016), (24, 3266680), (30, 2613344), (32, 2450010), (40, 1960008), (48, 1633340), (60, 1306672), (64, 1225005), (80, 980004), (96, 816670), (120, 653336), (160, 490002), (192, 408335), (240, 326668), (320, 245001), (480, 163334), (960, 81667)]