138221720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 404766720

約数和(自身を除く): 266545000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 127, 130, 140, 161, 169, 182, 184, 230, 254, 260, 280, 299, 322, 338, 364, 455, 460, 508, 520, 598, 635, 644, 676, 728, 805, 845, 889, 910, 920, 1016, 1183, 1196, 1270, 1288, 1352, 1495, 1610, 1651, 1690, 1778, 1820, 2093, 2366, 2392, 2540, 2921, 2990, 3220, 3302, 3380, 3556, 3640, 3887, 4186, 4445, 4732, 5080, 5842, 5915, 5980, 6440, 6604, 6760, 7112, 7774, 8255, 8372, 8890, 9464, 10465, 11557, 11684, 11830, 11960, 13208, 14605, 15548, 16510, 16744, 17780, 19435, 20447, 20930, 21463, 23114, 23368, 23660, 27209, 29210, 31096, 33020, 35560, 37973, 38870, 40894, 41860, 42926, 46228, 47320, 54418, 57785, 58420, 66040, 75946, 77740, 81788, 83720, 85852, 92456, 102235, 107315, 108836, 115570, 116840, 136045, 150241, 151892, 155480, 163576, 171704, 189865, 204470, 214630, 217672, 231140, 265811, 272090, 300482, 303784, 379730, 408940, 429260, 462280, 493649, 531622, 544180, 600964, 751205, 759460, 817880, 858520, 987298, 1063244, 1088360, 1201928, 1329055, 1502410, 1518920, 1974596, 2126488, 2468245, 2658110, 3004820, 3455543, 3949192, 4936490, 5316220, 6009640, 6911086, 9872980, 10632440, 13822172, 17277715, 19745960, 27644344, 34555430, 69110860, 138221720]

約数ペア:

[(1, 138221720), (2, 69110860), (4, 34555430), (5, 27644344), (7, 19745960), (8, 17277715), (10, 13822172), (13, 10632440), (14, 9872980), (20, 6911086), (23, 6009640), (26, 5316220), (28, 4936490), (35, 3949192), (40, 3455543), (46, 3004820), (52, 2658110), (56, 2468245), (65, 2126488), (70, 1974596), (91, 1518920), (92, 1502410), (104, 1329055), (115, 1201928), (127, 1088360), (130, 1063244), (140, 987298), (161, 858520), (169, 817880), (182, 759460), (184, 751205), (230, 600964), (254, 544180), (260, 531622), (280, 493649), (299, 462280), (322, 429260), (338, 408940), (364, 379730), (455, 303784), (460, 300482), (508, 272090), (520, 265811), (598, 231140), (635, 217672), (644, 214630), (676, 204470), (728, 189865), (805, 171704), (845, 163576), (889, 155480), (910, 151892), (920, 150241), (1016, 136045), (1183, 116840), (1196, 115570), (1270, 108836), (1288, 107315), (1352, 102235), (1495, 92456), (1610, 85852), (1651, 83720), (1690, 81788), (1778, 77740), (1820, 75946), (2093, 66040), (2366, 58420), (2392, 57785), (2540, 54418), (2921, 47320), (2990, 46228), (3220, 42926), (3302, 41860), (3380, 40894), (3556, 38870), (3640, 37973), (3887, 35560), (4186, 33020), (4445, 31096), (4732, 29210), (5080, 27209), (5842, 23660), (5915, 23368), (5980, 23114), (6440, 21463), (6604, 20930), (6760, 20447), (7112, 19435), (7774, 17780), (8255, 16744), (8372, 16510), (8890, 15548), (9464, 14605), (10465, 13208), (11557, 11960), (11684, 11830)]