18542720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4165

約数の個数: 64

約数和(自身を含む): 50673600

約数和(自身を除く): 32130880

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4139, 4480, 8278, 16556, 20695, 28973, 33112, 41390, 57946, 66224, 82780, 115892, 132448, 144865, 165560, 231784, 264896, 289730, 331120, 463568, 529792, 579460, 662240, 927136, 1158920, 1324480, 1854272, 2317840, 2648960, 3708544, 4635680, 9271360, 18542720]

約数ペア:

[(1, 18542720), (2, 9271360), (4, 4635680), (5, 3708544), (7, 2648960), (8, 2317840), (10, 1854272), (14, 1324480), (16, 1158920), (20, 927136), (28, 662240), (32, 579460), (35, 529792), (40, 463568), (56, 331120), (64, 289730), (70, 264896), (80, 231784), (112, 165560), (128, 144865), (140, 132448), (160, 115892), (224, 82780), (280, 66224), (320, 57946), (448, 41390), (560, 33112), (640, 28973), (896, 20695), (1120, 16556), (2240, 8278), (4139, 4480)]