30856740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4993}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 87255168

約数和(自身を除く): 56398428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 4993, 6180, 9986, 14979, 19972, 24965, 29958, 49930, 59916, 74895, 99860, 149790, 299580, 514279, 1028558, 1542837, 2057116, 2571395, 3085674, 5142790, 6171348, 7714185, 10285580, 15428370, 30856740]

約数ペア:

[(1, 30856740), (2, 15428370), (3, 10285580), (4, 7714185), (5, 6171348), (6, 5142790), (10, 3085674), (12, 2571395), (15, 2057116), (20, 1542837), (30, 1028558), (60, 514279), (103, 299580), (206, 149790), (309, 99860), (412, 74895), (515, 59916), (618, 49930), (1030, 29958), (1236, 24965), (1545, 19972), (2060, 14979), (3090, 9986), (4993, 6180)]