1742720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 4773600

約数和(自身を除く): 3030880

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, 389, 448, 560, 640, 778, 896, 1120, 1556, 1945, 2240, 2723, 3112, 3890, 4480, 5446, 6224, 7780, 10892, 12448, 13615, 15560, 21784, 24896, 27230, 31120, 43568, 49792, 54460, 62240, 87136, 108920, 124480, 174272, 217840, 248960, 348544, 435680, 871360, 1742720]

約数ペア:

[(1, 1742720), (2, 871360), (4, 435680), (5, 348544), (7, 248960), (8, 217840), (10, 174272), (14, 124480), (16, 108920), (20, 87136), (28, 62240), (32, 54460), (35, 49792), (40, 43568), (56, 31120), (64, 27230), (70, 24896), (80, 21784), (112, 15560), (128, 13615), (140, 12448), (160, 10892), (224, 7780), (280, 6224), (320, 5446), (389, 4480), (448, 3890), (560, 3112), (640, 2723), (778, 2240), (896, 1945), (1120, 1556)]