31854720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 103991040

約数和(自身を除く): 72136320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 353, 376, 384, 470, 480, 564, 640, 705, 706, 752, 940, 960, 1059, 1128, 1410, 1412, 1504, 1765, 1880, 1920, 2118, 2256, 2820, 2824, 3008, 3530, 3760, 4236, 4512, 5295, 5640, 5648, 6016, 7060, 7520, 8472, 9024, 10590, 11280, 11296, 14120, 15040, 16591, 16944, 18048, 21180, 22560, 22592, 28240, 30080, 33182, 33888, 42360, 45120, 45184, 49773, 56480, 66364, 67776, 82955, 84720, 90240, 99546, 112960, 132728, 135552, 165910, 169440, 199092, 225920, 248865, 265456, 331820, 338880, 398184, 497730, 530912, 663640, 677760, 796368, 995460, 1061824, 1327280, 1592736, 1990920, 2123648, 2654560, 3185472, 3981840, 5309120, 6370944, 7963680, 10618240, 15927360, 31854720]

約数ペア:

[(1, 31854720), (2, 15927360), (3, 10618240), (4, 7963680), (5, 6370944), (6, 5309120), (8, 3981840), (10, 3185472), (12, 2654560), (15, 2123648), (16, 1990920), (20, 1592736), (24, 1327280), (30, 1061824), (32, 995460), (40, 796368), (47, 677760), (48, 663640), (60, 530912), (64, 497730), (80, 398184), (94, 338880), (96, 331820), (120, 265456), (128, 248865), (141, 225920), (160, 199092), (188, 169440), (192, 165910), (235, 135552), (240, 132728), (282, 112960), (320, 99546), (353, 90240), (376, 84720), (384, 82955), (470, 67776), (480, 66364), (564, 56480), (640, 49773), (705, 45184), (706, 45120), (752, 42360), (940, 33888), (960, 33182), (1059, 30080), (1128, 28240), (1410, 22592), (1412, 22560), (1504, 21180), (1765, 18048), (1880, 16944), (1920, 16591), (2118, 15040), (2256, 14120), (2820, 11296), (2824, 11280), (3008, 10590), (3530, 9024), (3760, 8472), (4236, 7520), (4512, 7060), (5295, 6016), (5640, 5648)]