388686540080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31219}}^1\times {\mathrm{8191}}^1$

素因数の和:39442

約数の個数: 80

約数和(自身を含む): 951405772800

約数和(自身を除く): 562719232720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8191, 16382, 31219, 32764, 40955, 62438, 65528, 81910, 124876, 131056, 155629, 156095, 163820, 249752, 311258, 312190, 327640, 499504, 593161, 622516, 624380, 655280, 778145, 1186322, 1245032, 1248760, 1556290, 2372644, 2490064, 2497520, 2965805, 3112580, 4745288, 5931610, 6225160, 9490576, 11863220, 12450320, 23726440, 47452880, 255714829, 511429658, 1022859316, 1278574145, 2045718632, 2557148290, 4091437264, 4858581751, 5114296580, 9717163502, 10228593160, 19434327004, 20457186320, 24292908755, 38868654008, 48585817510, 77737308016, 97171635020, 194343270040, 388686540080]

約数ペア:

[(1, 388686540080), (2, 194343270040), (4, 97171635020), (5, 77737308016), (8, 48585817510), (10, 38868654008), (16, 24292908755), (19, 20457186320), (20, 19434327004), (38, 10228593160), (40, 9717163502), (76, 5114296580), (80, 4858581751), (95, 4091437264), (152, 2557148290), (190, 2045718632), (304, 1278574145), (380, 1022859316), (760, 511429658), (1520, 255714829), (8191, 47452880), (16382, 23726440), (31219, 12450320), (32764, 11863220), (40955, 9490576), (62438, 6225160), (65528, 5931610), (81910, 4745288), (124876, 3112580), (131056, 2965805), (155629, 2497520), (156095, 2490064), (163820, 2372644), (249752, 1556290), (311258, 1248760), (312190, 1245032), (327640, 1186322), (499504, 778145), (593161, 655280), (622516, 624380)]