12382720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 80

約数和(自身を含む): 33979968

約数和(自身を除く): 21597248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 691, 896, 1120, 1280, 1382, 1792, 2240, 2560, 2764, 3455, 3584, 4480, 4837, 5528, 6910, 8960, 9674, 11056, 13820, 17920, 19348, 22112, 24185, 27640, 38696, 44224, 48370, 55280, 77392, 88448, 96740, 110560, 154784, 176896, 193480, 221120, 309568, 353792, 386960, 442240, 619136, 773920, 884480, 1238272, 1547840, 1768960, 2476544, 3095680, 6191360, 12382720]

約数ペア:

[(1, 12382720), (2, 6191360), (4, 3095680), (5, 2476544), (7, 1768960), (8, 1547840), (10, 1238272), (14, 884480), (16, 773920), (20, 619136), (28, 442240), (32, 386960), (35, 353792), (40, 309568), (56, 221120), (64, 193480), (70, 176896), (80, 154784), (112, 110560), (128, 96740), (140, 88448), (160, 77392), (224, 55280), (256, 48370), (280, 44224), (320, 38696), (448, 27640), (512, 24185), (560, 22112), (640, 19348), (691, 17920), (896, 13820), (1120, 11056), (1280, 9674), (1382, 8960), (1792, 6910), (2240, 5528), (2560, 4837), (2764, 4480), (3455, 3584)]