81568260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453157}}^1$

素因数の和:453172

約数の個数: 36

約数和(自身を含む): 247424268

約数和(自身を除く): 165856008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453157, 906314, 1359471, 1812628, 2265785, 2718942, 4078413, 4531570, 5437884, 6797355, 8156826, 9063140, 13594710, 16313652, 20392065, 27189420, 40784130, 81568260]

約数ペア:

[(1, 81568260), (2, 40784130), (3, 27189420), (4, 20392065), (5, 16313652), (6, 13594710), (9, 9063140), (10, 8156826), (12, 6797355), (15, 5437884), (18, 4531570), (20, 4078413), (30, 2718942), (36, 2265785), (45, 1812628), (60, 1359471), (90, 906314), (180, 453157)]