81592680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 265950720

約数和(自身を除く): 184358040

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, 271, 312, 386, 390, 520, 542, 579, 772, 780, 813, 965, 1084, 1158, 1355, 1544, 1560, 1626, 1930, 2168, 2316, 2509, 2710, 2895, 3252, 3523, 3860, 4065, 4632, 5018, 5420, 5790, 6504, 7046, 7527, 7720, 8130, 10036, 10569, 10840, 11580, 12545, 14092, 15054, 16260, 17615, 20072, 21138, 23160, 25090, 28184, 30108, 32520, 35230, 37635, 42276, 50180, 52303, 52845, 60216, 70460, 75270, 84552, 100360, 104606, 105690, 140920, 150540, 156909, 209212, 211380, 261515, 301080, 313818, 418424, 422760, 523030, 627636, 679939, 784545, 1046060, 1255272, 1359878, 1569090, 2039817, 2092120, 2719756, 3138180, 3399695, 4079634, 5439512, 6276360, 6799390, 8159268, 10199085, 13598780, 16318536, 20398170, 27197560, 40796340, 81592680]

約数ペア:

[(1, 81592680), (2, 40796340), (3, 27197560), (4, 20398170), (5, 16318536), (6, 13598780), (8, 10199085), (10, 8159268), (12, 6799390), (13, 6276360), (15, 5439512), (20, 4079634), (24, 3399695), (26, 3138180), (30, 2719756), (39, 2092120), (40, 2039817), (52, 1569090), (60, 1359878), (65, 1255272), (78, 1046060), (104, 784545), (120, 679939), (130, 627636), (156, 523030), (193, 422760), (195, 418424), (260, 313818), (271, 301080), (312, 261515), (386, 211380), (390, 209212), (520, 156909), (542, 150540), (579, 140920), (772, 105690), (780, 104606), (813, 100360), (965, 84552), (1084, 75270), (1158, 70460), (1355, 60216), (1544, 52845), (1560, 52303), (1626, 50180), (1930, 42276), (2168, 37635), (2316, 35230), (2509, 32520), (2710, 30108), (2895, 28184), (3252, 25090), (3523, 23160), (3860, 21138), (4065, 20072), (4632, 17615), (5018, 16260), (5420, 15054), (5790, 14092), (6504, 12545), (7046, 11580), (7527, 10840), (7720, 10569), (8130, 10036)]