72960255

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 133099200

約数和(自身を除く): 60138945

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 157, 207, 345, 449, 471, 785, 1035, 1347, 1413, 2245, 2355, 3611, 4041, 6735, 7065, 10327, 10833, 18055, 20205, 30981, 32499, 51635, 54165, 70493, 92943, 154905, 162495, 211479, 352465, 464715, 634437, 1057395, 1621339, 3172185, 4864017, 8106695, 14592051, 24320085, 72960255]

約数ペア:

[(1, 72960255), (3, 24320085), (5, 14592051), (9, 8106695), (15, 4864017), (23, 3172185), (45, 1621339), (69, 1057395), (115, 634437), (157, 464715), (207, 352465), (345, 211479), (449, 162495), (471, 154905), (785, 92943), (1035, 70493), (1347, 54165), (1413, 51635), (2245, 32499), (2355, 30981), (3611, 20205), (4041, 18055), (6735, 10833), (7065, 10327)]