156896680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4874

約数の個数: 64

約数和(自身を含む): 380318400

約数和(自身を除く): 223421720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 4801, 6536, 8170, 9602, 16340, 19204, 24005, 32680, 38408, 48010, 91219, 96020, 182438, 192040, 206443, 364876, 412886, 456095, 729752, 825772, 912190, 1032215, 1651544, 1824380, 2064430, 3648760, 3922417, 4128860, 7844834, 8257720, 15689668, 19612085, 31379336, 39224170, 78448340, 156896680]

約数ペア:

[(1, 156896680), (2, 78448340), (4, 39224170), (5, 31379336), (8, 19612085), (10, 15689668), (19, 8257720), (20, 7844834), (38, 4128860), (40, 3922417), (43, 3648760), (76, 2064430), (86, 1824380), (95, 1651544), (152, 1032215), (172, 912190), (190, 825772), (215, 729752), (344, 456095), (380, 412886), (430, 364876), (760, 206443), (817, 192040), (860, 182438), (1634, 96020), (1720, 91219), (3268, 48010), (4085, 38408), (4801, 32680), (6536, 24005), (8170, 19204), (9602, 16340)]