819440320

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111337}}^1$

素因数の和:111377

約数の個数: 56

約数和(自身を含む): 2036149344

約数和(自身を除く): 1216709024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 111337, 222674, 445348, 556685, 890696, 1113370, 1781392, 2226740, 2560751, 3562784, 4453480, 5121502, 7125568, 8906960, 10243004, 12803755, 17813920, 20486008, 25607510, 35627840, 40972016, 51215020, 81944032, 102430040, 163888064, 204860080, 409720160, 819440320]

約数ペア:

[(1, 819440320), (2, 409720160), (4, 204860080), (5, 163888064), (8, 102430040), (10, 81944032), (16, 51215020), (20, 40972016), (23, 35627840), (32, 25607510), (40, 20486008), (46, 17813920), (64, 12803755), (80, 10243004), (92, 8906960), (115, 7125568), (160, 5121502), (184, 4453480), (230, 3562784), (320, 2560751), (368, 2226740), (460, 1781392), (736, 1113370), (920, 890696), (1472, 556685), (1840, 445348), (3680, 222674), (7360, 111337)]