640009584

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{153259}}^1$

素因数の和:153302

約数の個数: 60

約数和(自身を含む): 1852913400

約数和(自身を除く): 1212903816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 153259, 306518, 459777, 613036, 919554, 1226072, 1379331, 1839108, 2452144, 2758662, 3678216, 4444511, 5517324, 7356432, 8889022, 11034648, 13333533, 17778044, 22069296, 26667066, 35556088, 40000599, 53334132, 71112176, 80001198, 106668264, 160002396, 213336528, 320004792, 640009584]

約数ペア:

[(1, 640009584), (2, 320004792), (3, 213336528), (4, 160002396), (6, 106668264), (8, 80001198), (9, 71112176), (12, 53334132), (16, 40000599), (18, 35556088), (24, 26667066), (29, 22069296), (36, 17778044), (48, 13333533), (58, 11034648), (72, 8889022), (87, 7356432), (116, 5517324), (144, 4444511), (174, 3678216), (232, 2758662), (261, 2452144), (348, 1839108), (464, 1379331), (522, 1226072), (696, 919554), (1044, 613036), (1392, 459777), (2088, 306518), (4176, 153259)]