320591388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 846720000

約数和(自身を除く): 526128612

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 199, 276, 299, 398, 449, 597, 598, 796, 897, 898, 1194, 1196, 1347, 1794, 1796, 2388, 2587, 2694, 3588, 4577, 5174, 5388, 5837, 7761, 9154, 10327, 10348, 11674, 13731, 15522, 17511, 18308, 20654, 23348, 27462, 30981, 31044, 35022, 41308, 54924, 59501, 61962, 70044, 89351, 119002, 123924, 134251, 178503, 178702, 238004, 268053, 268502, 357006, 357404, 402753, 536106, 537004, 714012, 805506, 1072212, 1161563, 1611012, 2055073, 2323126, 3484689, 4110146, 4646252, 6165219, 6969378, 8220292, 12330438, 13938756, 24660876, 26715949, 53431898, 80147847, 106863796, 160295694, 320591388]

約数ペア:

[(1, 320591388), (2, 160295694), (3, 106863796), (4, 80147847), (6, 53431898), (12, 26715949), (13, 24660876), (23, 13938756), (26, 12330438), (39, 8220292), (46, 6969378), (52, 6165219), (69, 4646252), (78, 4110146), (92, 3484689), (138, 2323126), (156, 2055073), (199, 1611012), (276, 1161563), (299, 1072212), (398, 805506), (449, 714012), (597, 537004), (598, 536106), (796, 402753), (897, 357404), (898, 357006), (1194, 268502), (1196, 268053), (1347, 238004), (1794, 178702), (1796, 178503), (2388, 134251), (2587, 123924), (2694, 119002), (3588, 89351), (4577, 70044), (5174, 61962), (5388, 59501), (5837, 54924), (7761, 41308), (9154, 35022), (10327, 31044), (10348, 30981), (11674, 27462), (13731, 23348), (15522, 20654), (17511, 18308)]