81131400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 288

約数和(自身を含む): 320336640

約数和(自身を除く): 239205240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 47, 50, 56, 60, 63, 70, 72, 75, 84, 90, 94, 100, 105, 120, 126, 137, 140, 141, 150, 168, 175, 180, 188, 200, 210, 225, 235, 252, 274, 280, 282, 300, 315, 329, 350, 360, 376, 411, 420, 423, 450, 470, 504, 525, 548, 564, 600, 630, 658, 685, 700, 705, 822, 840, 846, 900, 940, 959, 987, 1050, 1096, 1128, 1175, 1233, 1260, 1316, 1370, 1400, 1410, 1575, 1644, 1645, 1692, 1800, 1880, 1918, 1974, 2055, 2100, 2115, 2350, 2466, 2520, 2632, 2740, 2820, 2877, 2961, 3150, 3288, 3290, 3384, 3425, 3525, 3836, 3948, 4110, 4200, 4230, 4700, 4795, 4932, 4935, 5480, 5640, 5754, 5922, 6165, 6300, 6439, 6580, 6850, 7050, 7672, 7896, 8220, 8225, 8460, 8631, 9400, 9590, 9864, 9870, 10275, 10575, 11508, 11844, 12330, 12600, 12878, 13160, 13700, 14100, 14385, 14805, 16440, 16450, 16920, 17262, 19180, 19317, 19740, 20550, 21150, 23016, 23688, 23975, 24660, 24675, 25756, 27400, 28200, 28770, 29610, 30825, 32195, 32900, 34524, 38360, 38634, 39480, 41100, 42300, 43155, 45073, 47950, 49320, 49350, 51512, 57540, 57951, 59220, 61650, 64390, 65800, 69048, 71925, 74025, 77268, 82200, 84600, 86310, 90146, 95900, 96585, 98700, 115080, 115902, 118440, 123300, 128780, 135219, 143850, 148050, 154536, 160975, 172620, 180292, 191800, 193170, 197400, 215775, 225365, 231804, 246600, 257560, 270438, 287700, 289755, 296100, 321950, 345240, 360584, 386340, 405657, 431550, 450730, 463608, 482925, 540876, 575400, 579510, 592200, 643900, 676095, 772680, 811314, 863100, 901460, 965850, 1081752, 1126825, 1159020, 1287800, 1352190, 1448775, 1622628, 1726200, 1802920, 1931700, 2028285, 2253650, 2318040, 2704380, 2897550, 3245256, 3380475, 3863400, 4056570, 4507300, 5408760, 5795100, 6760950, 8113140, 9014600, 10141425, 11590200, 13521900, 16226280, 20282850, 27043800, 40565700, 81131400]

約数ペア:

[(1, 81131400), (2, 40565700), (3, 27043800), (4, 20282850), (5, 16226280), (6, 13521900), (7, 11590200), (8, 10141425), (9, 9014600), (10, 8113140), (12, 6760950), (14, 5795100), (15, 5408760), (18, 4507300), (20, 4056570), (21, 3863400), (24, 3380475), (25, 3245256), (28, 2897550), (30, 2704380), (35, 2318040), (36, 2253650), (40, 2028285), (42, 1931700), (45, 1802920), (47, 1726200), (50, 1622628), (56, 1448775), (60, 1352190), (63, 1287800), (70, 1159020), (72, 1126825), (75, 1081752), (84, 965850), (90, 901460), (94, 863100), (100, 811314), (105, 772680), (120, 676095), (126, 643900), (137, 592200), (140, 579510), (141, 575400), (150, 540876), (168, 482925), (175, 463608), (180, 450730), (188, 431550), (200, 405657), (210, 386340), (225, 360584), (235, 345240), (252, 321950), (274, 296100), (280, 289755), (282, 287700), (300, 270438), (315, 257560), (329, 246600), (350, 231804), (360, 225365), (376, 215775), (411, 197400), (420, 193170), (423, 191800), (450, 180292), (470, 172620), (504, 160975), (525, 154536), (548, 148050), (564, 143850), (600, 135219), (630, 128780), (658, 123300), (685, 118440), (700, 115902), (705, 115080), (822, 98700), (840, 96585), (846, 95900), (900, 90146), (940, 86310), (959, 84600), (987, 82200), (1050, 77268), (1096, 74025), (1128, 71925), (1175, 69048), (1233, 65800), (1260, 64390), (1316, 61650), (1370, 59220), (1400, 57951), (1410, 57540), (1575, 51512), (1644, 49350), (1645, 49320), (1692, 47950), (1800, 45073), (1880, 43155), (1918, 42300), (1974, 41100), (2055, 39480), (2100, 38634), (2115, 38360), (2350, 34524), (2466, 32900), (2520, 32195), (2632, 30825), (2740, 29610), (2820, 28770), (2877, 28200), (2961, 27400), (3150, 25756), (3288, 24675), (3290, 24660), (3384, 23975), (3425, 23688), (3525, 23016), (3836, 21150), (3948, 20550), (4110, 19740), (4200, 19317), (4230, 19180), (4700, 17262), (4795, 16920), (4932, 16450), (4935, 16440), (5480, 14805), (5640, 14385), (5754, 14100), (5922, 13700), (6165, 13160), (6300, 12878), (6439, 12600), (6580, 12330), (6850, 11844), (7050, 11508), (7672, 10575), (7896, 10275), (8220, 9870), (8225, 9864), (8460, 9590), (8631, 9400)]