31787840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 112

約数和(自身を含む): 90415872

約数和(自身を除く): 58628032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 617, 644, 736, 805, 920, 1120, 1234, 1288, 1472, 1610, 1840, 2240, 2468, 2576, 3085, 3220, 3680, 4319, 4936, 5152, 6170, 6440, 7360, 8638, 9872, 10304, 12340, 12880, 14191, 17276, 19744, 21595, 24680, 25760, 28382, 34552, 39488, 43190, 49360, 51520, 56764, 69104, 70955, 86380, 98720, 99337, 113528, 138208, 141910, 172760, 197440, 198674, 227056, 276416, 283820, 345520, 397348, 454112, 496685, 567640, 691040, 794696, 908224, 993370, 1135280, 1382080, 1589392, 1986740, 2270560, 3178784, 3973480, 4541120, 6357568, 7946960, 15893920, 31787840]

約数ペア:

[(1, 31787840), (2, 15893920), (4, 7946960), (5, 6357568), (7, 4541120), (8, 3973480), (10, 3178784), (14, 2270560), (16, 1986740), (20, 1589392), (23, 1382080), (28, 1135280), (32, 993370), (35, 908224), (40, 794696), (46, 691040), (56, 567640), (64, 496685), (70, 454112), (80, 397348), (92, 345520), (112, 283820), (115, 276416), (140, 227056), (160, 198674), (161, 197440), (184, 172760), (224, 141910), (230, 138208), (280, 113528), (320, 99337), (322, 98720), (368, 86380), (448, 70955), (460, 69104), (560, 56764), (617, 51520), (644, 49360), (736, 43190), (805, 39488), (920, 34552), (1120, 28382), (1234, 25760), (1288, 24680), (1472, 21595), (1610, 19744), (1840, 17276), (2240, 14191), (2468, 12880), (2576, 12340), (3085, 10304), (3220, 9872), (3680, 8638), (4319, 7360), (4936, 6440), (5152, 6170)]