1457720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3313}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 3579120

約数和(自身を除く): 2121400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3313, 6626, 13252, 16565, 26504, 33130, 36443, 66260, 72886, 132520, 145772, 182215, 291544, 364430, 728860, 1457720]

約数ペア:

[(1, 1457720), (2, 728860), (4, 364430), (5, 291544), (8, 182215), (10, 145772), (11, 132520), (20, 72886), (22, 66260), (40, 36443), (44, 33130), (55, 26504), (88, 16565), (110, 13252), (220, 6626), (440, 3313)]