31537920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 103606272

約数和(自身を除く): 72068352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 191, 192, 215, 240, 256, 258, 320, 344, 382, 384, 430, 480, 516, 573, 640, 645, 688, 764, 768, 860, 955, 960, 1032, 1146, 1280, 1290, 1376, 1528, 1720, 1910, 1920, 2064, 2292, 2580, 2752, 2865, 3056, 3440, 3820, 3840, 4128, 4584, 5160, 5504, 5730, 6112, 6880, 7640, 8213, 8256, 9168, 10320, 11008, 11460, 12224, 13760, 15280, 16426, 16512, 18336, 20640, 22920, 24448, 24639, 27520, 30560, 32852, 33024, 36672, 41065, 41280, 45840, 48896, 49278, 55040, 61120, 65704, 73344, 82130, 82560, 91680, 98556, 122240, 123195, 131408, 146688, 164260, 165120, 183360, 197112, 244480, 246390, 262816, 328520, 366720, 394224, 492780, 525632, 657040, 733440, 788448, 985560, 1051264, 1314080, 1576896, 1971120, 2102528, 2628160, 3153792, 3942240, 5256320, 6307584, 7884480, 10512640, 15768960, 31537920]

約数ペア:

[(1, 31537920), (2, 15768960), (3, 10512640), (4, 7884480), (5, 6307584), (6, 5256320), (8, 3942240), (10, 3153792), (12, 2628160), (15, 2102528), (16, 1971120), (20, 1576896), (24, 1314080), (30, 1051264), (32, 985560), (40, 788448), (43, 733440), (48, 657040), (60, 525632), (64, 492780), (80, 394224), (86, 366720), (96, 328520), (120, 262816), (128, 246390), (129, 244480), (160, 197112), (172, 183360), (191, 165120), (192, 164260), (215, 146688), (240, 131408), (256, 123195), (258, 122240), (320, 98556), (344, 91680), (382, 82560), (384, 82130), (430, 73344), (480, 65704), (516, 61120), (573, 55040), (640, 49278), (645, 48896), (688, 45840), (764, 41280), (768, 41065), (860, 36672), (955, 33024), (960, 32852), (1032, 30560), (1146, 27520), (1280, 24639), (1290, 24448), (1376, 22920), (1528, 20640), (1720, 18336), (1910, 16512), (1920, 16426), (2064, 15280), (2292, 13760), (2580, 12224), (2752, 11460), (2865, 11008), (3056, 10320), (3440, 9168), (3820, 8256), (3840, 8213), (4128, 7640), (4584, 6880), (5160, 6112), (5504, 5730)]