164431120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 438543360

約数和(自身を除く): 274112240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 479, 560, 613, 958, 1226, 1916, 2395, 2452, 3065, 3353, 3832, 4291, 4790, 4904, 6130, 6706, 7664, 8582, 9580, 9808, 12260, 13412, 16765, 17164, 19160, 21455, 24520, 26824, 33530, 34328, 38320, 42910, 49040, 53648, 67060, 68656, 85820, 134120, 171640, 268240, 293627, 343280, 587254, 1174508, 1468135, 2055389, 2349016, 2936270, 4110778, 4698032, 5872540, 8221556, 10276945, 11745080, 16443112, 20553890, 23490160, 32886224, 41107780, 82215560, 164431120]

約数ペア:

[(1, 164431120), (2, 82215560), (4, 41107780), (5, 32886224), (7, 23490160), (8, 20553890), (10, 16443112), (14, 11745080), (16, 10276945), (20, 8221556), (28, 5872540), (35, 4698032), (40, 4110778), (56, 2936270), (70, 2349016), (80, 2055389), (112, 1468135), (140, 1174508), (280, 587254), (479, 343280), (560, 293627), (613, 268240), (958, 171640), (1226, 134120), (1916, 85820), (2395, 68656), (2452, 67060), (3065, 53648), (3353, 49040), (3832, 42910), (4291, 38320), (4790, 34328), (4904, 33530), (6130, 26824), (6706, 24520), (7664, 21455), (8582, 19160), (9580, 17164), (9808, 16765), (12260, 13412)]