81506880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 336

約数和(自身を含む): 346155264

約数和(自身を除く): 264648384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 311, 312, 315, 320, 336, 360, 364, 390, 416, 420, 448, 455, 468, 480, 504, 520, 546, 560, 576, 585, 622, 624, 630, 672, 720, 728, 780, 819, 832, 840, 910, 933, 936, 960, 1008, 1040, 1092, 1120, 1170, 1244, 1248, 1260, 1344, 1365, 1440, 1456, 1555, 1560, 1638, 1680, 1820, 1866, 1872, 2016, 2080, 2177, 2184, 2240, 2340, 2488, 2496, 2520, 2730, 2799, 2880, 2912, 3110, 3120, 3276, 3360, 3640, 3732, 3744, 4032, 4043, 4095, 4160, 4354, 4368, 4665, 4680, 4976, 5040, 5460, 5598, 5824, 6220, 6240, 6531, 6552, 6720, 7280, 7464, 7488, 8086, 8190, 8708, 8736, 9330, 9360, 9952, 10080, 10885, 10920, 11196, 12129, 12440, 12480, 13062, 13104, 13995, 14560, 14928, 16172, 16380, 17416, 17472, 18660, 18720, 19593, 19904, 20160, 20215, 21770, 21840, 22392, 24258, 24880, 26124, 26208, 27990, 28301, 29120, 29856, 32344, 32655, 32760, 34832, 36387, 37320, 37440, 39186, 40430, 43540, 43680, 44784, 48516, 49760, 52248, 52416, 55980, 56602, 59712, 60645, 64688, 65310, 65520, 69664, 72774, 74640, 78372, 80860, 84903, 87080, 87360, 89568, 97032, 97965, 99520, 104496, 111960, 113204, 121290, 129376, 130620, 131040, 139328, 141505, 145548, 149280, 156744, 161720, 169806, 174160, 179136, 181935, 194064, 195930, 208992, 223920, 226408, 242580, 254709, 258752, 261240, 262080, 283010, 291096, 298560, 313488, 323440, 339612, 348320, 363870, 388128, 391860, 417984, 424515, 447840, 452816, 485160, 509418, 522480, 566020, 582192, 626976, 646880, 679224, 696640, 727740, 776256, 783720, 849030, 895680, 905632, 970320, 1018836, 1044960, 1132040, 1164384, 1253952, 1273545, 1293760, 1358448, 1455480, 1567440, 1698060, 1811264, 1940640, 2037672, 2089920, 2264080, 2328768, 2547090, 2716896, 2910960, 3134880, 3396120, 3881280, 4075344, 4528160, 5094180, 5433792, 5821920, 6269760, 6792240, 8150688, 9056320, 10188360, 11643840, 13584480, 16301376, 20376720, 27168960, 40753440, 81506880]

約数ペア:

[(1, 81506880), (2, 40753440), (3, 27168960), (4, 20376720), (5, 16301376), (6, 13584480), (7, 11643840), (8, 10188360), (9, 9056320), (10, 8150688), (12, 6792240), (13, 6269760), (14, 5821920), (15, 5433792), (16, 5094180), (18, 4528160), (20, 4075344), (21, 3881280), (24, 3396120), (26, 3134880), (28, 2910960), (30, 2716896), (32, 2547090), (35, 2328768), (36, 2264080), (39, 2089920), (40, 2037672), (42, 1940640), (45, 1811264), (48, 1698060), (52, 1567440), (56, 1455480), (60, 1358448), (63, 1293760), (64, 1273545), (65, 1253952), (70, 1164384), (72, 1132040), (78, 1044960), (80, 1018836), (84, 970320), (90, 905632), (91, 895680), (96, 849030), (104, 783720), (105, 776256), (112, 727740), (117, 696640), (120, 679224), (126, 646880), (130, 626976), (140, 582192), (144, 566020), (156, 522480), (160, 509418), (168, 485160), (180, 452816), (182, 447840), (192, 424515), (195, 417984), (208, 391860), (210, 388128), (224, 363870), (234, 348320), (240, 339612), (252, 323440), (260, 313488), (273, 298560), (280, 291096), (288, 283010), (311, 262080), (312, 261240), (315, 258752), (320, 254709), (336, 242580), (360, 226408), (364, 223920), (390, 208992), (416, 195930), (420, 194064), (448, 181935), (455, 179136), (468, 174160), (480, 169806), (504, 161720), (520, 156744), (546, 149280), (560, 145548), (576, 141505), (585, 139328), (622, 131040), (624, 130620), (630, 129376), (672, 121290), (720, 113204), (728, 111960), (780, 104496), (819, 99520), (832, 97965), (840, 97032), (910, 89568), (933, 87360), (936, 87080), (960, 84903), (1008, 80860), (1040, 78372), (1092, 74640), (1120, 72774), (1170, 69664), (1244, 65520), (1248, 65310), (1260, 64688), (1344, 60645), (1365, 59712), (1440, 56602), (1456, 55980), (1555, 52416), (1560, 52248), (1638, 49760), (1680, 48516), (1820, 44784), (1866, 43680), (1872, 43540), (2016, 40430), (2080, 39186), (2177, 37440), (2184, 37320), (2240, 36387), (2340, 34832), (2488, 32760), (2496, 32655), (2520, 32344), (2730, 29856), (2799, 29120), (2880, 28301), (2912, 27990), (3110, 26208), (3120, 26124), (3276, 24880), (3360, 24258), (3640, 22392), (3732, 21840), (3744, 21770), (4032, 20215), (4043, 20160), (4095, 19904), (4160, 19593), (4354, 18720), (4368, 18660), (4665, 17472), (4680, 17416), (4976, 16380), (5040, 16172), (5460, 14928), (5598, 14560), (5824, 13995), (6220, 13104), (6240, 13062), (6531, 12480), (6552, 12440), (6720, 12129), (7280, 11196), (7464, 10920), (7488, 10885), (8086, 10080), (8190, 9952), (8708, 9360), (8736, 9330)]