80537240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{751}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 207912960

約数和(自身を除く): 127375720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 751, 766, 1502, 1532, 1915, 2681, 3004, 3064, 3755, 3830, 5257, 5362, 6008, 7510, 7660, 10514, 10724, 13405, 15020, 15320, 21028, 21448, 26285, 26810, 30040, 42056, 52570, 53620, 105140, 107240, 210280, 287633, 575266, 1150532, 1438165, 2013431, 2301064, 2876330, 4026862, 5752660, 8053724, 10067155, 11505320, 16107448, 20134310, 40268620, 80537240]

約数ペア:

[(1, 80537240), (2, 40268620), (4, 20134310), (5, 16107448), (7, 11505320), (8, 10067155), (10, 8053724), (14, 5752660), (20, 4026862), (28, 2876330), (35, 2301064), (40, 2013431), (56, 1438165), (70, 1150532), (140, 575266), (280, 287633), (383, 210280), (751, 107240), (766, 105140), (1502, 53620), (1532, 52570), (1915, 42056), (2681, 30040), (3004, 26810), (3064, 26285), (3755, 21448), (3830, 21028), (5257, 15320), (5362, 15020), (6008, 13405), (7510, 10724), (7660, 10514)]