73181920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 209690208

約数和(自身を除く): 136508288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 181, 190, 224, 266, 280, 304, 361, 362, 380, 532, 560, 608, 665, 722, 724, 760, 905, 1064, 1120, 1267, 1330, 1444, 1448, 1520, 1805, 1810, 2128, 2527, 2534, 2660, 2888, 2896, 3040, 3439, 3610, 3620, 4256, 5054, 5068, 5320, 5776, 5792, 6335, 6878, 7220, 7240, 10108, 10136, 10640, 11552, 12635, 12670, 13756, 14440, 14480, 17195, 20216, 20272, 21280, 24073, 25270, 25340, 27512, 28880, 28960, 34390, 40432, 40544, 48146, 50540, 50680, 55024, 57760, 65341, 68780, 80864, 96292, 101080, 101360, 110048, 120365, 130682, 137560, 192584, 202160, 202720, 240730, 261364, 275120, 326705, 385168, 404320, 457387, 481460, 522728, 550240, 653410, 770336, 914774, 962920, 1045456, 1306820, 1829548, 1925840, 2090912, 2286935, 2613640, 3659096, 3851680, 4573870, 5227280, 7318192, 9147740, 10454560, 14636384, 18295480, 36590960, 73181920]

約数ペア:

[(1, 73181920), (2, 36590960), (4, 18295480), (5, 14636384), (7, 10454560), (8, 9147740), (10, 7318192), (14, 5227280), (16, 4573870), (19, 3851680), (20, 3659096), (28, 2613640), (32, 2286935), (35, 2090912), (38, 1925840), (40, 1829548), (56, 1306820), (70, 1045456), (76, 962920), (80, 914774), (95, 770336), (112, 653410), (133, 550240), (140, 522728), (152, 481460), (160, 457387), (181, 404320), (190, 385168), (224, 326705), (266, 275120), (280, 261364), (304, 240730), (361, 202720), (362, 202160), (380, 192584), (532, 137560), (560, 130682), (608, 120365), (665, 110048), (722, 101360), (724, 101080), (760, 96292), (905, 80864), (1064, 68780), (1120, 65341), (1267, 57760), (1330, 55024), (1444, 50680), (1448, 50540), (1520, 48146), (1805, 40544), (1810, 40432), (2128, 34390), (2527, 28960), (2534, 28880), (2660, 27512), (2888, 25340), (2896, 25270), (3040, 24073), (3439, 21280), (3610, 20272), (3620, 20216), (4256, 17195), (5054, 14480), (5068, 14440), (5320, 13756), (5776, 12670), (5792, 12635), (6335, 11552), (6878, 10640), (7220, 10136), (7240, 10108)]