210910920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6995

約数の個数: 128

約数和(自身を含む): 720368640

約数和(自身を除く): 509457720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 920, 1012, 1265, 1320, 1380, 1518, 2024, 2530, 2760, 3036, 3795, 5060, 6072, 6947, 7590, 10120, 13894, 15180, 20841, 27788, 30360, 34735, 41682, 55576, 69470, 76417, 83364, 104205, 138940, 152834, 159781, 166728, 208410, 229251, 277880, 305668, 319562, 382085, 416820, 458502, 479343, 611336, 639124, 764170, 798905, 833640, 917004, 958686, 1146255, 1278248, 1528340, 1597810, 1757591, 1834008, 1917372, 2292510, 2396715, 3056680, 3195620, 3515182, 3834744, 4585020, 4793430, 5272773, 6391240, 7030364, 8787955, 9170040, 9586860, 10545546, 14060728, 17575910, 19173720, 21091092, 26363865, 35151820, 42182184, 52727730, 70303640, 105455460, 210910920]

約数ペア:

[(1, 210910920), (2, 105455460), (3, 70303640), (4, 52727730), (5, 42182184), (6, 35151820), (8, 26363865), (10, 21091092), (11, 19173720), (12, 17575910), (15, 14060728), (20, 10545546), (22, 9586860), (23, 9170040), (24, 8787955), (30, 7030364), (33, 6391240), (40, 5272773), (44, 4793430), (46, 4585020), (55, 3834744), (60, 3515182), (66, 3195620), (69, 3056680), (88, 2396715), (92, 2292510), (110, 1917372), (115, 1834008), (120, 1757591), (132, 1597810), (138, 1528340), (165, 1278248), (184, 1146255), (220, 958686), (230, 917004), (253, 833640), (264, 798905), (276, 764170), (330, 639124), (345, 611336), (440, 479343), (460, 458502), (506, 416820), (552, 382085), (660, 319562), (690, 305668), (759, 277880), (920, 229251), (1012, 208410), (1265, 166728), (1320, 159781), (1380, 152834), (1518, 138940), (2024, 104205), (2530, 83364), (2760, 76417), (3036, 69470), (3795, 55576), (5060, 41682), (6072, 34735), (6947, 30360), (7590, 27788), (10120, 20841), (13894, 15180)]