647172160

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87931}}^1$

素因数の和:87971

約数の個数: 56

約数和(自身を含む): 1608100416

約数和(自身を除く): 960928256

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, 87931, 175862, 351724, 439655, 703448, 879310, 1406896, 1758620, 2022413, 2813792, 3517240, 4044826, 5627584, 7034480, 8089652, 10112065, 14068960, 16179304, 20224130, 28137920, 32358608, 40448260, 64717216, 80896520, 129434432, 161793040, 323586080, 647172160]

約数ペア:

[(1, 647172160), (2, 323586080), (4, 161793040), (5, 129434432), (8, 80896520), (10, 64717216), (16, 40448260), (20, 32358608), (23, 28137920), (32, 20224130), (40, 16179304), (46, 14068960), (64, 10112065), (80, 8089652), (92, 7034480), (115, 5627584), (160, 4044826), (184, 3517240), (230, 2813792), (320, 2022413), (368, 1758620), (460, 1406896), (736, 879310), (920, 703448), (1472, 439655), (1840, 351724), (3680, 175862), (7360, 87931)]