1720040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6143}}^1$

素因数の和:6161

約数の個数: 32

約数和(自身を含む): 4423680

約数和(自身を除く): 2703640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6143, 12286, 24572, 30715, 43001, 49144, 61430, 86002, 122860, 172004, 215005, 245720, 344008, 430010, 860020, 1720040]

約数ペア:

[(1, 1720040), (2, 860020), (4, 430010), (5, 344008), (7, 245720), (8, 215005), (10, 172004), (14, 122860), (20, 86002), (28, 61430), (35, 49144), (40, 43001), (56, 30715), (70, 24572), (140, 12286), (280, 6143)]