815661440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115861}}^1$

素因数の和:115891

約数の個数: 64

約数和(自身を含む): 2127226320

約数和(自身を除く): 1311564880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 115861, 231722, 463444, 579305, 926888, 1158610, 1274471, 1853776, 2317220, 2548942, 3707552, 4634440, 5097884, 6372355, 7415104, 9268880, 10195768, 12744710, 14830208, 18537760, 20391536, 25489420, 37075520, 40783072, 50978840, 74151040, 81566144, 101957680, 163132288, 203915360, 407830720, 815661440]

約数ペア:

[(1, 815661440), (2, 407830720), (4, 203915360), (5, 163132288), (8, 101957680), (10, 81566144), (11, 74151040), (16, 50978840), (20, 40783072), (22, 37075520), (32, 25489420), (40, 20391536), (44, 18537760), (55, 14830208), (64, 12744710), (80, 10195768), (88, 9268880), (110, 7415104), (128, 6372355), (160, 5097884), (176, 4634440), (220, 3707552), (320, 2548942), (352, 2317220), (440, 1853776), (640, 1274471), (704, 1158610), (880, 926888), (1408, 579305), (1760, 463444), (3520, 231722), (7040, 115861)]