30780440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33457}}^1$

素因数の和:33491

約数の個数: 32

約数和(自身を含む): 72269280

約数和(自身を除く): 41488840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 33457, 66914, 133828, 167285, 267656, 334570, 669140, 769511, 1338280, 1539022, 3078044, 3847555, 6156088, 7695110, 15390220, 30780440]

約数ペア:

[(1, 30780440), (2, 15390220), (4, 7695110), (5, 6156088), (8, 3847555), (10, 3078044), (20, 1539022), (23, 1338280), (40, 769511), (46, 669140), (92, 334570), (115, 267656), (184, 167285), (230, 133828), (460, 66914), (920, 33457)]