2005493880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{6661}}^1$

素因数の和:6881

約数の個数: 128

約数和(自身を含む): 6513837120

約数和(自身を除く): 4508343240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 193, 195, 260, 312, 386, 390, 520, 579, 772, 780, 965, 1158, 1544, 1560, 1930, 2316, 2509, 2895, 3860, 4632, 5018, 5790, 6661, 7527, 7720, 10036, 11580, 12545, 13322, 15054, 19983, 20072, 23160, 25090, 26644, 30108, 33305, 37635, 39966, 50180, 53288, 60216, 66610, 75270, 79932, 86593, 99915, 100360, 133220, 150540, 159864, 173186, 199830, 259779, 266440, 301080, 346372, 399660, 432965, 519558, 692744, 799320, 865930, 1039116, 1285573, 1298895, 1731860, 2078232, 2571146, 2597790, 3463720, 3856719, 5142292, 5195580, 6427865, 7713438, 10284584, 10391160, 12855730, 15426876, 16712449, 19283595, 25711460, 30853752, 33424898, 38567190, 50137347, 51422920, 66849796, 77134380, 83562245, 100274694, 133699592, 154268760, 167124490, 200549388, 250686735, 334248980, 401098776, 501373470, 668497960, 1002746940, 2005493880]

約数ペア:

[(1, 2005493880), (2, 1002746940), (3, 668497960), (4, 501373470), (5, 401098776), (6, 334248980), (8, 250686735), (10, 200549388), (12, 167124490), (13, 154268760), (15, 133699592), (20, 100274694), (24, 83562245), (26, 77134380), (30, 66849796), (39, 51422920), (40, 50137347), (52, 38567190), (60, 33424898), (65, 30853752), (78, 25711460), (104, 19283595), (120, 16712449), (130, 15426876), (156, 12855730), (193, 10391160), (195, 10284584), (260, 7713438), (312, 6427865), (386, 5195580), (390, 5142292), (520, 3856719), (579, 3463720), (772, 2597790), (780, 2571146), (965, 2078232), (1158, 1731860), (1544, 1298895), (1560, 1285573), (1930, 1039116), (2316, 865930), (2509, 799320), (2895, 692744), (3860, 519558), (4632, 432965), (5018, 399660), (5790, 346372), (6661, 301080), (7527, 266440), (7720, 259779), (10036, 199830), (11580, 173186), (12545, 159864), (13322, 150540), (15054, 133220), (19983, 100360), (20072, 99915), (23160, 86593), (25090, 79932), (26644, 75270), (30108, 66610), (33305, 60216), (37635, 53288), (39966, 50180)]