156721045660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1619}}^1\times {\mathrm{36947}}^1$

素因数の和:38706

約数の個数: 48

約数和(自身を含む): 331840333440

約数和(自身を除く): 175119287780

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1619, 2620, 3238, 6476, 8095, 16190, 32380, 36947, 73894, 147788, 184735, 212089, 369470, 424178, 738940, 848356, 1060445, 2120890, 4241780, 4840057, 9680114, 19360228, 24200285, 48400570, 59817193, 96801140, 119634386, 239268772, 299085965, 598171930, 1196343860, 7836052283, 15672104566, 31344209132, 39180261415, 78360522830, 156721045660]

約数ペア:

[(1, 156721045660), (2, 78360522830), (4, 39180261415), (5, 31344209132), (10, 15672104566), (20, 7836052283), (131, 1196343860), (262, 598171930), (524, 299085965), (655, 239268772), (1310, 119634386), (1619, 96801140), (2620, 59817193), (3238, 48400570), (6476, 24200285), (8095, 19360228), (16190, 9680114), (32380, 4840057), (36947, 4241780), (73894, 2120890), (147788, 1060445), (184735, 848356), (212089, 738940), (369470, 424178)]