80543640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1367}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 242300160

約数和(自身を除く): 161756520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1367, 1473, 1964, 2455, 2734, 2946, 3928, 4101, 4910, 5468, 5892, 6835, 7365, 8202, 9820, 10936, 11784, 13670, 14730, 16404, 19640, 20505, 27340, 29460, 32808, 41010, 54680, 58920, 82020, 164040, 671197, 1342394, 2013591, 2684788, 3355985, 4027182, 5369576, 6711970, 8054364, 10067955, 13423940, 16108728, 20135910, 26847880, 40271820, 80543640]

約数ペア:

[(1, 80543640), (2, 40271820), (3, 26847880), (4, 20135910), (5, 16108728), (6, 13423940), (8, 10067955), (10, 8054364), (12, 6711970), (15, 5369576), (20, 4027182), (24, 3355985), (30, 2684788), (40, 2013591), (60, 1342394), (120, 671197), (491, 164040), (982, 82020), (1367, 58920), (1473, 54680), (1964, 41010), (2455, 32808), (2734, 29460), (2946, 27340), (3928, 20505), (4101, 19640), (4910, 16404), (5468, 14730), (5892, 13670), (6835, 11784), (7365, 10936), (8202, 9820)]