81481400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 263212320

約数和(自身を除く): 181730920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 37, 40, 44, 50, 52, 55, 56, 65, 70, 74, 77, 88, 91, 100, 104, 110, 121, 130, 140, 143, 148, 154, 175, 182, 185, 200, 220, 242, 259, 260, 275, 280, 286, 296, 308, 325, 350, 364, 370, 385, 407, 440, 455, 481, 484, 518, 520, 550, 572, 605, 616, 650, 700, 715, 728, 740, 770, 814, 847, 910, 925, 962, 968, 1001, 1036, 1100, 1144, 1210, 1295, 1300, 1400, 1430, 1480, 1540, 1573, 1628, 1694, 1820, 1850, 1924, 1925, 2002, 2035, 2072, 2200, 2275, 2405, 2420, 2590, 2600, 2849, 2860, 3025, 3080, 3146, 3256, 3367, 3388, 3575, 3640, 3700, 3848, 3850, 4004, 4070, 4235, 4477, 4550, 4810, 4840, 5005, 5180, 5291, 5698, 5720, 6050, 6292, 6475, 6734, 6776, 7150, 7400, 7700, 7865, 8008, 8140, 8470, 8954, 9100, 9620, 10010, 10175, 10360, 10582, 11011, 11396, 12025, 12100, 12584, 12950, 13468, 14245, 14300, 15400, 15730, 16280, 16835, 16940, 17908, 18200, 19240, 20020, 20350, 21164, 21175, 22022, 22385, 22792, 24050, 24200, 25025, 25900, 26455, 26936, 28490, 28600, 31339, 31460, 33670, 33880, 35816, 37037, 39325, 40040, 40700, 42328, 42350, 44044, 44770, 48100, 50050, 51800, 52910, 55055, 56980, 58201, 62678, 62920, 67340, 71225, 74074, 78650, 81400, 84175, 84700, 88088, 89540, 96200, 100100, 105820, 110110, 111925, 113960, 116402, 125356, 132275, 134680, 142450, 148148, 156695, 157300, 168350, 169400, 179080, 185185, 200200, 211640, 220220, 223850, 232804, 250712, 264550, 275275, 284900, 291005, 296296, 313390, 314600, 336700, 370370, 407407, 440440, 447700, 465608, 529100, 550550, 569800, 582010, 626780, 673400, 740740, 783475, 814814, 895400, 925925, 1058200, 1101100, 1164020, 1253560, 1455025, 1481480, 1566950, 1629628, 1851850, 2037035, 2202200, 2328040, 2910050, 3133900, 3259256, 3703700, 4074070, 5820100, 6267800, 7407400, 8148140, 10185175, 11640200, 16296280, 20370350, 40740700, 81481400]

約数ペア:

[(1, 81481400), (2, 40740700), (4, 20370350), (5, 16296280), (7, 11640200), (8, 10185175), (10, 8148140), (11, 7407400), (13, 6267800), (14, 5820100), (20, 4074070), (22, 3703700), (25, 3259256), (26, 3133900), (28, 2910050), (35, 2328040), (37, 2202200), (40, 2037035), (44, 1851850), (50, 1629628), (52, 1566950), (55, 1481480), (56, 1455025), (65, 1253560), (70, 1164020), (74, 1101100), (77, 1058200), (88, 925925), (91, 895400), (100, 814814), (104, 783475), (110, 740740), (121, 673400), (130, 626780), (140, 582010), (143, 569800), (148, 550550), (154, 529100), (175, 465608), (182, 447700), (185, 440440), (200, 407407), (220, 370370), (242, 336700), (259, 314600), (260, 313390), (275, 296296), (280, 291005), (286, 284900), (296, 275275), (308, 264550), (325, 250712), (350, 232804), (364, 223850), (370, 220220), (385, 211640), (407, 200200), (440, 185185), (455, 179080), (481, 169400), (484, 168350), (518, 157300), (520, 156695), (550, 148148), (572, 142450), (605, 134680), (616, 132275), (650, 125356), (700, 116402), (715, 113960), (728, 111925), (740, 110110), (770, 105820), (814, 100100), (847, 96200), (910, 89540), (925, 88088), (962, 84700), (968, 84175), (1001, 81400), (1036, 78650), (1100, 74074), (1144, 71225), (1210, 67340), (1295, 62920), (1300, 62678), (1400, 58201), (1430, 56980), (1480, 55055), (1540, 52910), (1573, 51800), (1628, 50050), (1694, 48100), (1820, 44770), (1850, 44044), (1924, 42350), (1925, 42328), (2002, 40700), (2035, 40040), (2072, 39325), (2200, 37037), (2275, 35816), (2405, 33880), (2420, 33670), (2590, 31460), (2600, 31339), (2849, 28600), (2860, 28490), (3025, 26936), (3080, 26455), (3146, 25900), (3256, 25025), (3367, 24200), (3388, 24050), (3575, 22792), (3640, 22385), (3700, 22022), (3848, 21175), (3850, 21164), (4004, 20350), (4070, 20020), (4235, 19240), (4477, 18200), (4550, 17908), (4810, 16940), (4840, 16835), (5005, 16280), (5180, 15730), (5291, 15400), (5698, 14300), (5720, 14245), (6050, 13468), (6292, 12950), (6475, 12584), (6734, 12100), (6776, 12025), (7150, 11396), (7400, 11011), (7700, 10582), (7865, 10360), (8008, 10175), (8140, 10010), (8470, 9620), (8954, 9100)]