81974880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 313709760

約数和(自身を除く): 231734880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 32, 36, 39, 40, 45, 48, 52, 58, 60, 65, 72, 78, 80, 87, 90, 96, 104, 116, 117, 120, 130, 144, 145, 151, 156, 160, 174, 180, 195, 208, 232, 234, 240, 260, 261, 288, 290, 302, 312, 348, 360, 377, 390, 416, 435, 453, 464, 468, 480, 520, 522, 580, 585, 604, 624, 696, 720, 754, 755, 780, 870, 906, 928, 936, 1040, 1044, 1131, 1160, 1170, 1208, 1248, 1305, 1359, 1392, 1440, 1508, 1510, 1560, 1740, 1812, 1872, 1885, 1963, 2080, 2088, 2262, 2265, 2320, 2340, 2416, 2610, 2718, 2784, 3016, 3020, 3120, 3393, 3480, 3624, 3744, 3770, 3926, 4176, 4379, 4524, 4530, 4640, 4680, 4832, 5220, 5436, 5655, 5889, 6032, 6040, 6240, 6786, 6795, 6960, 7248, 7540, 7852, 8352, 8758, 9048, 9060, 9360, 9815, 10440, 10872, 11310, 11778, 12064, 12080, 13137, 13572, 13590, 13920, 14496, 15080, 15704, 16965, 17516, 17667, 18096, 18120, 18720, 19630, 20880, 21744, 21895, 22620, 23556, 24160, 26274, 27144, 27180, 29445, 30160, 31408, 33930, 35032, 35334, 36192, 36240, 39260, 39411, 41760, 43488, 43790, 45240, 47112, 52548, 54288, 54360, 56927, 58890, 60320, 62816, 65685, 67860, 70064, 70668, 72480, 78520, 78822, 87580, 88335, 90480, 94224, 105096, 108576, 108720, 113854, 117780, 131370, 135720, 140128, 141336, 157040, 157644, 170781, 175160, 176670, 180960, 188448, 197055, 210192, 217440, 227708, 235560, 262740, 271440, 282672, 284635, 314080, 315288, 341562, 350320, 353340, 394110, 420384, 455416, 471120, 512343, 525480, 542880, 565344, 569270, 630576, 683124, 700640, 706680, 788220, 853905, 910832, 942240, 1024686, 1050960, 1138540, 1261152, 1366248, 1413360, 1576440, 1707810, 1821664, 2049372, 2101920, 2277080, 2561715, 2732496, 2826720, 3152880, 3415620, 4098744, 4554160, 5123430, 5464992, 6305760, 6831240, 8197488, 9108320, 10246860, 13662480, 16394976, 20493720, 27324960, 40987440, 81974880]

約数ペア:

[(1, 81974880), (2, 40987440), (3, 27324960), (4, 20493720), (5, 16394976), (6, 13662480), (8, 10246860), (9, 9108320), (10, 8197488), (12, 6831240), (13, 6305760), (15, 5464992), (16, 5123430), (18, 4554160), (20, 4098744), (24, 3415620), (26, 3152880), (29, 2826720), (30, 2732496), (32, 2561715), (36, 2277080), (39, 2101920), (40, 2049372), (45, 1821664), (48, 1707810), (52, 1576440), (58, 1413360), (60, 1366248), (65, 1261152), (72, 1138540), (78, 1050960), (80, 1024686), (87, 942240), (90, 910832), (96, 853905), (104, 788220), (116, 706680), (117, 700640), (120, 683124), (130, 630576), (144, 569270), (145, 565344), (151, 542880), (156, 525480), (160, 512343), (174, 471120), (180, 455416), (195, 420384), (208, 394110), (232, 353340), (234, 350320), (240, 341562), (260, 315288), (261, 314080), (288, 284635), (290, 282672), (302, 271440), (312, 262740), (348, 235560), (360, 227708), (377, 217440), (390, 210192), (416, 197055), (435, 188448), (453, 180960), (464, 176670), (468, 175160), (480, 170781), (520, 157644), (522, 157040), (580, 141336), (585, 140128), (604, 135720), (624, 131370), (696, 117780), (720, 113854), (754, 108720), (755, 108576), (780, 105096), (870, 94224), (906, 90480), (928, 88335), (936, 87580), (1040, 78822), (1044, 78520), (1131, 72480), (1160, 70668), (1170, 70064), (1208, 67860), (1248, 65685), (1305, 62816), (1359, 60320), (1392, 58890), (1440, 56927), (1508, 54360), (1510, 54288), (1560, 52548), (1740, 47112), (1812, 45240), (1872, 43790), (1885, 43488), (1963, 41760), (2080, 39411), (2088, 39260), (2262, 36240), (2265, 36192), (2320, 35334), (2340, 35032), (2416, 33930), (2610, 31408), (2718, 30160), (2784, 29445), (3016, 27180), (3020, 27144), (3120, 26274), (3393, 24160), (3480, 23556), (3624, 22620), (3744, 21895), (3770, 21744), (3926, 20880), (4176, 19630), (4379, 18720), (4524, 18120), (4530, 18096), (4640, 17667), (4680, 17516), (4832, 16965), (5220, 15704), (5436, 15080), (5655, 14496), (5889, 13920), (6032, 13590), (6040, 13572), (6240, 13137), (6786, 12080), (6795, 12064), (6960, 11778), (7248, 11310), (7540, 10872), (7852, 10440), (8352, 9815), (8758, 9360), (9048, 9060)]