1980528080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{8629}}^1$

素因数の和:8812

約数の個数: 80

約数和(自身を含む): 4879747200

約数和(自身を除く): 2899219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 302, 304, 380, 604, 755, 760, 1208, 1510, 1520, 2416, 2869, 3020, 5738, 6040, 8629, 11476, 12080, 14345, 17258, 22952, 28690, 34516, 43145, 45904, 57380, 69032, 86290, 114760, 138064, 163951, 172580, 229520, 327902, 345160, 655804, 690320, 819755, 1302979, 1311608, 1639510, 2605958, 2623216, 3279020, 5211916, 6514895, 6558040, 10423832, 13029790, 13116080, 20847664, 24756601, 26059580, 49513202, 52119160, 99026404, 104238320, 123783005, 198052808, 247566010, 396105616, 495132020, 990264040, 1980528080]

約数ペア:

[(1, 1980528080), (2, 990264040), (4, 495132020), (5, 396105616), (8, 247566010), (10, 198052808), (16, 123783005), (19, 104238320), (20, 99026404), (38, 52119160), (40, 49513202), (76, 26059580), (80, 24756601), (95, 20847664), (151, 13116080), (152, 13029790), (190, 10423832), (302, 6558040), (304, 6514895), (380, 5211916), (604, 3279020), (755, 2623216), (760, 2605958), (1208, 1639510), (1510, 1311608), (1520, 1302979), (2416, 819755), (2869, 690320), (3020, 655804), (5738, 345160), (6040, 327902), (8629, 229520), (11476, 172580), (12080, 163951), (14345, 138064), (17258, 114760), (22952, 86290), (28690, 69032), (34516, 57380), (43145, 45904)]