1327760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2371}}^1$

素因数の和:2391

約数の個数: 40

約数和(自身を含む): 3529536

約数和(自身を除く): 2201776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2371, 4742, 9484, 11855, 16597, 18968, 23710, 33194, 37936, 47420, 66388, 82985, 94840, 132776, 165970, 189680, 265552, 331940, 663880, 1327760]

約数ペア:

[(1, 1327760), (2, 663880), (4, 331940), (5, 265552), (7, 189680), (8, 165970), (10, 132776), (14, 94840), (16, 82985), (20, 66388), (28, 47420), (35, 37936), (40, 33194), (56, 23710), (70, 18968), (80, 16597), (112, 11855), (140, 9484), (280, 4742), (560, 2371)]