12321520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 30533760

約数和(自身を除く): 18212240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 113, 116, 145, 188, 226, 232, 235, 290, 376, 452, 464, 470, 565, 580, 752, 904, 940, 1130, 1160, 1363, 1808, 1880, 2260, 2320, 2726, 3277, 3760, 4520, 5311, 5452, 6554, 6815, 9040, 10622, 10904, 13108, 13630, 16385, 21244, 21808, 26216, 26555, 27260, 32770, 42488, 52432, 53110, 54520, 65540, 84976, 106220, 109040, 131080, 154019, 212440, 262160, 308038, 424880, 616076, 770095, 1232152, 1540190, 2464304, 3080380, 6160760, 12321520]

約数ペア:

[(1, 12321520), (2, 6160760), (4, 3080380), (5, 2464304), (8, 1540190), (10, 1232152), (16, 770095), (20, 616076), (29, 424880), (40, 308038), (47, 262160), (58, 212440), (80, 154019), (94, 131080), (113, 109040), (116, 106220), (145, 84976), (188, 65540), (226, 54520), (232, 53110), (235, 52432), (290, 42488), (376, 32770), (452, 27260), (464, 26555), (470, 26216), (565, 21808), (580, 21244), (752, 16385), (904, 13630), (940, 13108), (1130, 10904), (1160, 10622), (1363, 9040), (1808, 6815), (1880, 6554), (2260, 5452), (2320, 5311), (2726, 4520), (3277, 3760)]