201089920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 327678080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 640, 719, 736, 760, 874, 920, 1216, 1438, 1472, 1520, 1748, 1840, 2185, 2432, 2876, 2944, 3040, 3496, 3595, 3680, 4370, 5752, 6080, 6992, 7190, 7360, 8740, 11504, 12160, 13661, 13984, 14380, 14720, 16537, 17480, 23008, 27322, 27968, 28760, 33074, 34960, 46016, 54644, 55936, 57520, 66148, 68305, 69920, 82685, 92032, 109288, 115040, 132296, 136610, 139840, 165370, 218576, 230080, 264592, 273220, 279680, 314203, 330740, 437152, 460160, 529184, 546440, 628406, 661480, 874304, 1058368, 1092880, 1256812, 1322960, 1571015, 1748608, 2116736, 2185760, 2513624, 2645920, 3142030, 4371520, 5027248, 5291840, 6284060, 8743040, 10054496, 10583680, 12568120, 20108992, 25136240, 40217984, 50272480, 100544960, 201089920]

約数ペア:

[(1, 201089920), (2, 100544960), (4, 50272480), (5, 40217984), (8, 25136240), (10, 20108992), (16, 12568120), (19, 10583680), (20, 10054496), (23, 8743040), (32, 6284060), (38, 5291840), (40, 5027248), (46, 4371520), (64, 3142030), (76, 2645920), (80, 2513624), (92, 2185760), (95, 2116736), (115, 1748608), (128, 1571015), (152, 1322960), (160, 1256812), (184, 1092880), (190, 1058368), (230, 874304), (304, 661480), (320, 628406), (368, 546440), (380, 529184), (437, 460160), (460, 437152), (608, 330740), (640, 314203), (719, 279680), (736, 273220), (760, 264592), (874, 230080), (920, 218576), (1216, 165370), (1438, 139840), (1472, 136610), (1520, 132296), (1748, 115040), (1840, 109288), (2185, 92032), (2432, 82685), (2876, 69920), (2944, 68305), (3040, 66148), (3496, 57520), (3595, 55936), (3680, 54644), (4370, 46016), (5752, 34960), (6080, 33074), (6992, 28760), (7190, 27968), (7360, 27322), (8740, 23008), (11504, 17480), (12160, 16537), (13661, 14720), (13984, 14380)]