247537920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9209}}^1$

素因数の和:9240

約数の個数: 144

約数和(自身を含む): 903611520

約数和(自身を除く): 656073600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9209, 13440, 18418, 26880, 27627, 36836, 46045, 55254, 64463, 73672, 92090, 110508, 128926, 138135, 147344, 184180, 193389, 221016, 257852, 276270, 294688, 322315, 368360, 386778, 442032, 515704, 552540, 589376, 644630, 736720, 773556, 884064, 966945, 1031408, 1105080, 1178752, 1289260, 1473440, 1547112, 1768128, 1933890, 2062816, 2210160, 2357504, 2578520, 2946880, 3094224, 3536256, 3867780, 4125632, 4420320, 5157040, 5893760, 6188448, 7072512, 7735560, 8251264, 8840640, 10314080, 11787520, 12376896, 15471120, 16502528, 17681280, 20628160, 24753792, 30942240, 35362560, 41256320, 49507584, 61884480, 82512640, 123768960, 247537920]

約数ペア:

[(1, 247537920), (2, 123768960), (3, 82512640), (4, 61884480), (5, 49507584), (6, 41256320), (7, 35362560), (8, 30942240), (10, 24753792), (12, 20628160), (14, 17681280), (15, 16502528), (16, 15471120), (20, 12376896), (21, 11787520), (24, 10314080), (28, 8840640), (30, 8251264), (32, 7735560), (35, 7072512), (40, 6188448), (42, 5893760), (48, 5157040), (56, 4420320), (60, 4125632), (64, 3867780), (70, 3536256), (80, 3094224), (84, 2946880), (96, 2578520), (105, 2357504), (112, 2210160), (120, 2062816), (128, 1933890), (140, 1768128), (160, 1547112), (168, 1473440), (192, 1289260), (210, 1178752), (224, 1105080), (240, 1031408), (256, 966945), (280, 884064), (320, 773556), (336, 736720), (384, 644630), (420, 589376), (448, 552540), (480, 515704), (560, 442032), (640, 386778), (672, 368360), (768, 322315), (840, 294688), (896, 276270), (960, 257852), (1120, 221016), (1280, 193389), (1344, 184180), (1680, 147344), (1792, 138135), (1920, 128926), (2240, 110508), (2688, 92090), (3360, 73672), (3840, 64463), (4480, 55254), (5376, 46045), (6720, 36836), (8960, 27627), (9209, 26880), (13440, 18418)]