280535880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11867}}^1$

素因数の和:12078

約数の個数: 64

約数和(自身を含む): 845951040

約数和(自身を除く): 565415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 11820, 11867, 23640, 23734, 35601, 47468, 59335, 71202, 94936, 118670, 142404, 178005, 237340, 284808, 356010, 474680, 712020, 1424040, 2337799, 4675598, 7013397, 9351196, 11688995, 14026794, 18702392, 23377990, 28053588, 35066985, 46755980, 56107176, 70133970, 93511960, 140267940, 280535880]

約数ペア:

[(1, 280535880), (2, 140267940), (3, 93511960), (4, 70133970), (5, 56107176), (6, 46755980), (8, 35066985), (10, 28053588), (12, 23377990), (15, 18702392), (20, 14026794), (24, 11688995), (30, 9351196), (40, 7013397), (60, 4675598), (120, 2337799), (197, 1424040), (394, 712020), (591, 474680), (788, 356010), (985, 284808), (1182, 237340), (1576, 178005), (1970, 142404), (2364, 118670), (2955, 94936), (3940, 71202), (4728, 59335), (5910, 47468), (7880, 35601), (11820, 23734), (11867, 23640)]