2000320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 112

約数和(自身を含む): 5852160

約数和(自身を除く): 3851840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 47, 56, 64, 70, 76, 80, 94, 95, 112, 133, 140, 152, 160, 188, 190, 224, 235, 266, 280, 304, 320, 329, 376, 380, 448, 470, 532, 560, 608, 658, 665, 752, 760, 893, 940, 1064, 1120, 1216, 1316, 1330, 1504, 1520, 1645, 1786, 1880, 2128, 2240, 2632, 2660, 3008, 3040, 3290, 3572, 3760, 4256, 4465, 5264, 5320, 6080, 6251, 6580, 7144, 7520, 8512, 8930, 10528, 10640, 12502, 13160, 14288, 15040, 17860, 21056, 21280, 25004, 26320, 28576, 31255, 35720, 42560, 50008, 52640, 57152, 62510, 71440, 100016, 105280, 125020, 142880, 200032, 250040, 285760, 400064, 500080, 1000160, 2000320]

約数ペア:

[(1, 2000320), (2, 1000160), (4, 500080), (5, 400064), (7, 285760), (8, 250040), (10, 200032), (14, 142880), (16, 125020), (19, 105280), (20, 100016), (28, 71440), (32, 62510), (35, 57152), (38, 52640), (40, 50008), (47, 42560), (56, 35720), (64, 31255), (70, 28576), (76, 26320), (80, 25004), (94, 21280), (95, 21056), (112, 17860), (133, 15040), (140, 14288), (152, 13160), (160, 12502), (188, 10640), (190, 10528), (224, 8930), (235, 8512), (266, 7520), (280, 7144), (304, 6580), (320, 6251), (329, 6080), (376, 5320), (380, 5264), (448, 4465), (470, 4256), (532, 3760), (560, 3572), (608, 3290), (658, 3040), (665, 3008), (752, 2660), (760, 2632), (893, 2240), (940, 2128), (1064, 1880), (1120, 1786), (1216, 1645), (1316, 1520), (1330, 1504)]