676997680

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 1597799520

約数和(自身を除く): 920801840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 193, 269, 326, 386, 538, 652, 772, 815, 965, 1076, 1304, 1345, 1544, 1630, 1930, 2152, 2608, 2690, 3088, 3260, 3860, 4304, 5380, 6520, 7720, 10760, 13040, 15440, 21520, 31459, 43847, 51917, 62918, 87694, 103834, 125836, 157295, 175388, 207668, 219235, 251672, 259585, 314590, 350776, 415336, 438470, 503344, 519170, 629180, 701552, 830672, 876940, 1038340, 1258360, 1753880, 2076680, 2516720, 3507760, 4153360, 8462471, 16924942, 33849884, 42312355, 67699768, 84624710, 135399536, 169249420, 338498840, 676997680]

約数ペア:

[(1, 676997680), (2, 338498840), (4, 169249420), (5, 135399536), (8, 84624710), (10, 67699768), (16, 42312355), (20, 33849884), (40, 16924942), (80, 8462471), (163, 4153360), (193, 3507760), (269, 2516720), (326, 2076680), (386, 1753880), (538, 1258360), (652, 1038340), (772, 876940), (815, 830672), (965, 701552), (1076, 629180), (1304, 519170), (1345, 503344), (1544, 438470), (1630, 415336), (1930, 350776), (2152, 314590), (2608, 259585), (2690, 251672), (3088, 219235), (3260, 207668), (3860, 175388), (4304, 157295), (5380, 125836), (6520, 103834), (7720, 87694), (10760, 62918), (13040, 51917), (15440, 43847), (21520, 31459)]