71488760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 184896000

約数和(自身を除く): 113407240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1283, 1393, 1592, 1990, 2566, 2786, 3980, 5132, 5572, 6415, 6965, 7960, 8981, 10264, 11144, 12830, 13930, 17962, 25660, 27860, 35924, 44905, 51320, 55720, 71848, 89810, 179620, 255317, 359240, 510634, 1021268, 1276585, 1787219, 2042536, 2553170, 3574438, 5106340, 7148876, 8936095, 10212680, 14297752, 17872190, 35744380, 71488760]

約数ペア:

[(1, 71488760), (2, 35744380), (4, 17872190), (5, 14297752), (7, 10212680), (8, 8936095), (10, 7148876), (14, 5106340), (20, 3574438), (28, 2553170), (35, 2042536), (40, 1787219), (56, 1276585), (70, 1021268), (140, 510634), (199, 359240), (280, 255317), (398, 179620), (796, 89810), (995, 71848), (1283, 55720), (1393, 51320), (1592, 44905), (1990, 35924), (2566, 27860), (2786, 25660), (3980, 17962), (5132, 13930), (5572, 12830), (6415, 11144), (6965, 10264), (7960, 8981)]