15354820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 35244720

約数和(自身を除く): 19889900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 809, 949, 1460, 1618, 1898, 3236, 3796, 4045, 4745, 8090, 9490, 10517, 16180, 18980, 21034, 42068, 52585, 59057, 105170, 118114, 210340, 236228, 295285, 590570, 767741, 1181140, 1535482, 3070964, 3838705, 7677410, 15354820]

約数ペア:

[(1, 15354820), (2, 7677410), (4, 3838705), (5, 3070964), (10, 1535482), (13, 1181140), (20, 767741), (26, 590570), (52, 295285), (65, 236228), (73, 210340), (130, 118114), (146, 105170), (260, 59057), (292, 52585), (365, 42068), (730, 21034), (809, 18980), (949, 16180), (1460, 10517), (1618, 9490), (1898, 8090), (3236, 4745), (3796, 4045)]