70920040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 167909760

約数和(自身を除く): 96989720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 460, 491, 628, 785, 920, 982, 1256, 1570, 1964, 2455, 3140, 3611, 3928, 4910, 6280, 7222, 9820, 11293, 14444, 18055, 19640, 22586, 28888, 36110, 45172, 56465, 72220, 77087, 90344, 112930, 144440, 154174, 225860, 308348, 385435, 451720, 616696, 770870, 1541740, 1773001, 3083480, 3546002, 7092004, 8865005, 14184008, 17730010, 35460020, 70920040]

約数ペア:

[(1, 70920040), (2, 35460020), (4, 17730010), (5, 14184008), (8, 8865005), (10, 7092004), (20, 3546002), (23, 3083480), (40, 1773001), (46, 1541740), (92, 770870), (115, 616696), (157, 451720), (184, 385435), (230, 308348), (314, 225860), (460, 154174), (491, 144440), (628, 112930), (785, 90344), (920, 77087), (982, 72220), (1256, 56465), (1570, 45172), (1964, 36110), (2455, 28888), (3140, 22586), (3611, 19640), (3928, 18055), (4910, 14444), (6280, 11293), (7222, 9820)]