31929520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 92279808

約数和(自身を除く): 60350288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 67, 70, 74, 80, 92, 112, 115, 134, 140, 148, 161, 184, 185, 230, 259, 268, 280, 296, 322, 335, 368, 370, 460, 469, 518, 536, 560, 592, 644, 670, 740, 805, 851, 920, 938, 1036, 1072, 1288, 1295, 1340, 1480, 1541, 1610, 1702, 1840, 1876, 2072, 2345, 2479, 2576, 2590, 2680, 2960, 3082, 3220, 3404, 3752, 4144, 4255, 4690, 4958, 5180, 5360, 5957, 6164, 6440, 6808, 7504, 7705, 8510, 9380, 9916, 10360, 10787, 11914, 12328, 12395, 12880, 13616, 15410, 17020, 17353, 18760, 19832, 20720, 21574, 23828, 24656, 24790, 29785, 30820, 34040, 34706, 37520, 39664, 43148, 47656, 49580, 53935, 57017, 59570, 61640, 68080, 69412, 86296, 86765, 95312, 99160, 107870, 114034, 119140, 123280, 138824, 172592, 173530, 198320, 215740, 228068, 238280, 277648, 285085, 347060, 399119, 431480, 456136, 476560, 570170, 694120, 798238, 862960, 912272, 1140340, 1388240, 1596476, 1995595, 2280680, 3192952, 3991190, 4561360, 6385904, 7982380, 15964760, 31929520]

約数ペア:

[(1, 31929520), (2, 15964760), (4, 7982380), (5, 6385904), (7, 4561360), (8, 3991190), (10, 3192952), (14, 2280680), (16, 1995595), (20, 1596476), (23, 1388240), (28, 1140340), (35, 912272), (37, 862960), (40, 798238), (46, 694120), (56, 570170), (67, 476560), (70, 456136), (74, 431480), (80, 399119), (92, 347060), (112, 285085), (115, 277648), (134, 238280), (140, 228068), (148, 215740), (161, 198320), (184, 173530), (185, 172592), (230, 138824), (259, 123280), (268, 119140), (280, 114034), (296, 107870), (322, 99160), (335, 95312), (368, 86765), (370, 86296), (460, 69412), (469, 68080), (518, 61640), (536, 59570), (560, 57017), (592, 53935), (644, 49580), (670, 47656), (740, 43148), (805, 39664), (851, 37520), (920, 34706), (938, 34040), (1036, 30820), (1072, 29785), (1288, 24790), (1295, 24656), (1340, 23828), (1480, 21574), (1541, 20720), (1610, 19832), (1702, 18760), (1840, 17353), (1876, 17020), (2072, 15410), (2345, 13616), (2479, 12880), (2576, 12395), (2590, 12328), (2680, 11914), (2960, 10787), (3082, 10360), (3220, 9916), (3404, 9380), (3752, 8510), (4144, 7705), (4255, 7504), (4690, 6808), (4958, 6440), (5180, 6164), (5360, 5957)]