130971520

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 316049040

約数和(自身を除く): 185077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1130, 1808, 1811, 2260, 3616, 3622, 4520, 7232, 7244, 9040, 9055, 14464, 14488, 18080, 18110, 28976, 36160, 36220, 57952, 72320, 72440, 115904, 144880, 204643, 231808, 289760, 409286, 579520, 818572, 1023215, 1159040, 1637144, 2046430, 3274288, 4092860, 6548576, 8185720, 13097152, 16371440, 26194304, 32742880, 65485760, 130971520]

約数ペア:

[(1, 130971520), (2, 65485760), (4, 32742880), (5, 26194304), (8, 16371440), (10, 13097152), (16, 8185720), (20, 6548576), (32, 4092860), (40, 3274288), (64, 2046430), (80, 1637144), (113, 1159040), (128, 1023215), (160, 818572), (226, 579520), (320, 409286), (452, 289760), (565, 231808), (640, 204643), (904, 144880), (1130, 115904), (1808, 72440), (1811, 72320), (2260, 57952), (3616, 36220), (3622, 36160), (4520, 28976), (7232, 18110), (7244, 18080), (9040, 14488), (9055, 14464)]