30720118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 54486432

約数和(自身を除く): 23766314

約数列:

[1, 2, 11, 13, 22, 26, 143, 233, 286, 461, 466, 922, 2563, 3029, 5071, 5126, 5993, 6058, 10142, 11986, 33319, 65923, 66638, 107413, 131846, 214826, 1181543, 1396369, 2363086, 2792738, 15360059, 30720118]

約数ペア:

[(1, 30720118), (2, 15360059), (11, 2792738), (13, 2363086), (22, 1396369), (26, 1181543), (143, 214826), (233, 131846), (286, 107413), (461, 66638), (466, 65923), (922, 33319), (2563, 11986), (3029, 10142), (5071, 6058), (5126, 5993)]