131521040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 377118720

約数和(自身を除く): 245597680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 80, 94, 95, 112, 133, 140, 152, 188, 190, 235, 263, 266, 280, 304, 329, 376, 380, 470, 526, 532, 560, 658, 665, 752, 760, 893, 940, 1052, 1064, 1315, 1316, 1330, 1520, 1645, 1786, 1841, 1880, 2104, 2128, 2630, 2632, 2660, 3290, 3572, 3682, 3760, 4208, 4465, 4997, 5260, 5264, 5320, 6251, 6580, 7144, 7364, 8930, 9205, 9994, 10520, 10640, 12361, 12502, 13160, 14288, 14728, 17860, 18410, 19988, 21040, 24722, 24985, 25004, 26320, 29456, 31255, 34979, 35720, 36820, 39976, 49444, 49970, 50008, 61805, 62510, 69958, 71440, 73640, 79952, 86527, 98888, 99940, 100016, 123610, 125020, 139916, 147280, 173054, 174895, 197776, 199880, 234859, 247220, 250040, 279832, 346108, 349790, 399760, 432635, 469718, 494440, 500080, 559664, 692216, 699580, 865270, 939436, 988880, 1174295, 1384432, 1399160, 1644013, 1730540, 1878872, 2348590, 2798320, 3288026, 3461080, 3757744, 4697180, 6576052, 6922160, 8220065, 9394360, 13152104, 16440130, 18788720, 26304208, 32880260, 65760520, 131521040]

約数ペア:

[(1, 131521040), (2, 65760520), (4, 32880260), (5, 26304208), (7, 18788720), (8, 16440130), (10, 13152104), (14, 9394360), (16, 8220065), (19, 6922160), (20, 6576052), (28, 4697180), (35, 3757744), (38, 3461080), (40, 3288026), (47, 2798320), (56, 2348590), (70, 1878872), (76, 1730540), (80, 1644013), (94, 1399160), (95, 1384432), (112, 1174295), (133, 988880), (140, 939436), (152, 865270), (188, 699580), (190, 692216), (235, 559664), (263, 500080), (266, 494440), (280, 469718), (304, 432635), (329, 399760), (376, 349790), (380, 346108), (470, 279832), (526, 250040), (532, 247220), (560, 234859), (658, 199880), (665, 197776), (752, 174895), (760, 173054), (893, 147280), (940, 139916), (1052, 125020), (1064, 123610), (1315, 100016), (1316, 99940), (1330, 98888), (1520, 86527), (1645, 79952), (1786, 73640), (1841, 71440), (1880, 69958), (2104, 62510), (2128, 61805), (2630, 50008), (2632, 49970), (2660, 49444), (3290, 39976), (3572, 36820), (3682, 35720), (3760, 34979), (4208, 31255), (4465, 29456), (4997, 26320), (5260, 25004), (5264, 24985), (5320, 24722), (6251, 21040), (6580, 19988), (7144, 18410), (7364, 17860), (8930, 14728), (9205, 14288), (9994, 13160), (10520, 12502), (10640, 12361)]