2491365520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2887}}^1$

素因数の和:2997

約数の個数: 160

約数和(自身を含む): 7013265408

約数和(自身を除く): 4521899888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 67, 70, 80, 92, 112, 115, 134, 140, 161, 184, 230, 268, 280, 322, 335, 368, 460, 469, 536, 560, 644, 670, 805, 920, 938, 1072, 1288, 1340, 1541, 1610, 1840, 1876, 2345, 2576, 2680, 2887, 3082, 3220, 3752, 4690, 5360, 5774, 6164, 6440, 7504, 7705, 9380, 10787, 11548, 12328, 12880, 14435, 15410, 18760, 20209, 21574, 23096, 24656, 28870, 30820, 37520, 40418, 43148, 46192, 53935, 57740, 61640, 66401, 80836, 86296, 101045, 107870, 115480, 123280, 132802, 161672, 172592, 193429, 202090, 215740, 230960, 265604, 323344, 332005, 386858, 404180, 431480, 464807, 531208, 664010, 773716, 808360, 862960, 929614, 967145, 1062416, 1328020, 1354003, 1547432, 1616720, 1859228, 1934290, 2324035, 2656040, 2708006, 3094864, 3718456, 3868580, 4448867, 4648070, 5312080, 5416012, 6770015, 7436912, 7737160, 8897734, 9296140, 10832024, 13540030, 15474320, 17795468, 18592280, 21664048, 22244335, 27080060, 31142069, 35590936, 37184560, 44488670, 54160120, 62284138, 71181872, 88977340, 108320240, 124568276, 155710345, 177954680, 249136552, 311420690, 355909360, 498273104, 622841380, 1245682760, 2491365520]

約数ペア:

[(1, 2491365520), (2, 1245682760), (4, 622841380), (5, 498273104), (7, 355909360), (8, 311420690), (10, 249136552), (14, 177954680), (16, 155710345), (20, 124568276), (23, 108320240), (28, 88977340), (35, 71181872), (40, 62284138), (46, 54160120), (56, 44488670), (67, 37184560), (70, 35590936), (80, 31142069), (92, 27080060), (112, 22244335), (115, 21664048), (134, 18592280), (140, 17795468), (161, 15474320), (184, 13540030), (230, 10832024), (268, 9296140), (280, 8897734), (322, 7737160), (335, 7436912), (368, 6770015), (460, 5416012), (469, 5312080), (536, 4648070), (560, 4448867), (644, 3868580), (670, 3718456), (805, 3094864), (920, 2708006), (938, 2656040), (1072, 2324035), (1288, 1934290), (1340, 1859228), (1541, 1616720), (1610, 1547432), (1840, 1354003), (1876, 1328020), (2345, 1062416), (2576, 967145), (2680, 929614), (2887, 862960), (3082, 808360), (3220, 773716), (3752, 664010), (4690, 531208), (5360, 464807), (5774, 431480), (6164, 404180), (6440, 386858), (7504, 332005), (7705, 323344), (9380, 265604), (10787, 230960), (11548, 215740), (12328, 202090), (12880, 193429), (14435, 172592), (15410, 161672), (18760, 132802), (20209, 123280), (21574, 115480), (23096, 107870), (24656, 101045), (28870, 86296), (30820, 80836), (37520, 66401), (40418, 61640), (43148, 57740), (46192, 53935)]