78714160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{383}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 210272256

約数和(自身を除く): 131558096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 383, 560, 734, 766, 1468, 1532, 1835, 1915, 2569, 2681, 2936, 3064, 3670, 3830, 5138, 5362, 5872, 6128, 7340, 7660, 10276, 10724, 12845, 13405, 14680, 15320, 20552, 21448, 25690, 26810, 29360, 30640, 41104, 42896, 51380, 53620, 102760, 107240, 140561, 205520, 214480, 281122, 562244, 702805, 983927, 1124488, 1405610, 1967854, 2248976, 2811220, 3935708, 4919635, 5622440, 7871416, 9839270, 11244880, 15742832, 19678540, 39357080, 78714160]

約数ペア:

[(1, 78714160), (2, 39357080), (4, 19678540), (5, 15742832), (7, 11244880), (8, 9839270), (10, 7871416), (14, 5622440), (16, 4919635), (20, 3935708), (28, 2811220), (35, 2248976), (40, 1967854), (56, 1405610), (70, 1124488), (80, 983927), (112, 702805), (140, 562244), (280, 281122), (367, 214480), (383, 205520), (560, 140561), (734, 107240), (766, 102760), (1468, 53620), (1532, 51380), (1835, 42896), (1915, 41104), (2569, 30640), (2681, 29360), (2936, 26810), (3064, 25690), (3670, 21448), (3830, 20552), (5138, 15320), (5362, 14680), (5872, 13405), (6128, 12845), (7340, 10724), (7660, 10276)]