81309960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 128

約数和(自身を含む): 274752000

約数和(自身を除く): 193442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 953, 1080, 1185, 1422, 1580, 1896, 1906, 2133, 2370, 2844, 2859, 3160, 3555, 3812, 4266, 4740, 4765, 5688, 5718, 7110, 7624, 8532, 8577, 9480, 9530, 10665, 11436, 14220, 14295, 17064, 17154, 19060, 21330, 22872, 25731, 28440, 28590, 34308, 38120, 42660, 42885, 51462, 57180, 68616, 75287, 85320, 85770, 102924, 114360, 128655, 150574, 171540, 205848, 225861, 257310, 301148, 343080, 376435, 451722, 514620, 602296, 677583, 752870, 903444, 1029240, 1129305, 1355166, 1505740, 1806888, 2032749, 2258610, 2710332, 3011480, 3387915, 4065498, 4517220, 5420664, 6775830, 8130996, 9034440, 10163745, 13551660, 16261992, 20327490, 27103320, 40654980, 81309960]

約数ペア:

[(1, 81309960), (2, 40654980), (3, 27103320), (4, 20327490), (5, 16261992), (6, 13551660), (8, 10163745), (9, 9034440), (10, 8130996), (12, 6775830), (15, 5420664), (18, 4517220), (20, 4065498), (24, 3387915), (27, 3011480), (30, 2710332), (36, 2258610), (40, 2032749), (45, 1806888), (54, 1505740), (60, 1355166), (72, 1129305), (79, 1029240), (90, 903444), (108, 752870), (120, 677583), (135, 602296), (158, 514620), (180, 451722), (216, 376435), (237, 343080), (270, 301148), (316, 257310), (360, 225861), (395, 205848), (474, 171540), (540, 150574), (632, 128655), (711, 114360), (790, 102924), (948, 85770), (953, 85320), (1080, 75287), (1185, 68616), (1422, 57180), (1580, 51462), (1896, 42885), (1906, 42660), (2133, 38120), (2370, 34308), (2844, 28590), (2859, 28440), (3160, 25731), (3555, 22872), (3812, 21330), (4266, 19060), (4740, 17154), (4765, 17064), (5688, 14295), (5718, 14220), (7110, 11436), (7624, 10665), (8532, 9530), (8577, 9480)]