81768960

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 480

約数和(自身を含む): 359441280

約数和(自身を除く): 277672320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 156, 160, 168, 169, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 252, 256, 260, 270, 273, 280, 288, 312, 315, 320, 336, 338, 351, 360, 364, 378, 384, 390, 416, 420, 432, 448, 455, 468, 480, 504, 507, 512, 520, 540, 546, 560, 576, 585, 624, 630, 640, 672, 676, 702, 720, 728, 756, 768, 780, 819, 832, 840, 845, 864, 896, 910, 936, 945, 960, 1008, 1014, 1040, 1080, 1092, 1120, 1152, 1170, 1183, 1248, 1260, 1280, 1344, 1352, 1365, 1404, 1440, 1456, 1512, 1521, 1536, 1560, 1638, 1664, 1680, 1690, 1728, 1755, 1792, 1820, 1872, 1890, 1920, 2016, 2028, 2080, 2160, 2184, 2240, 2304, 2340, 2366, 2457, 2496, 2520, 2535, 2560, 2688, 2704, 2730, 2808, 2880, 2912, 3024, 3042, 3120, 3276, 3328, 3360, 3380, 3456, 3510, 3549, 3584, 3640, 3744, 3780, 3840, 4032, 4056, 4095, 4160, 4320, 4368, 4480, 4563, 4608, 4680, 4732, 4914, 4992, 5040, 5070, 5376, 5408, 5460, 5616, 5760, 5824, 5915, 6048, 6084, 6240, 6552, 6656, 6720, 6760, 6912, 7020, 7098, 7280, 7488, 7560, 7605, 7680, 8064, 8112, 8190, 8320, 8640, 8736, 8960, 9126, 9360, 9464, 9828, 9984, 10080, 10140, 10647, 10752, 10816, 10920, 11232, 11520, 11648, 11830, 12096, 12168, 12285, 12480, 13104, 13440, 13520, 13824, 14040, 14196, 14560, 14976, 15120, 15210, 16128, 16224, 16380, 16640, 17280, 17472, 17745, 17920, 18252, 18720, 18928, 19656, 19968, 20160, 20280, 21294, 21632, 21840, 22464, 22815, 23040, 23296, 23660, 24192, 24336, 24570, 24960, 26208, 26880, 27040, 28080, 28392, 29120, 29952, 30240, 30420, 31941, 32256, 32448, 32760, 33280, 34560, 34944, 35490, 36504, 37440, 37856, 39312, 40320, 40560, 42588, 43264, 43680, 44928, 45630, 46592, 47320, 48384, 48672, 49140, 49920, 52416, 53235, 53760, 54080, 56160, 56784, 58240, 59904, 60480, 60840, 63882, 64896, 65520, 69120, 69888, 70980, 73008, 74880, 75712, 78624, 80640, 81120, 85176, 86528, 87360, 89856, 91260, 94640, 96768, 97344, 98280, 99840, 104832, 106470, 108160, 112320, 113568, 116480, 120960, 121680, 127764, 129792, 131040, 139776, 141960, 146016, 149760, 151424, 157248, 159705, 161280, 162240, 170352, 174720, 179712, 182520, 189280, 194688, 196560, 209664, 212940, 216320, 224640, 227136, 232960, 241920, 243360, 255528, 259584, 262080, 283920, 292032, 299520, 302848, 314496, 319410, 324480, 340704, 349440, 365040, 378560, 389376, 393120, 419328, 425880, 432640, 449280, 454272, 483840, 486720, 511056, 524160, 567840, 584064, 605696, 628992, 638820, 648960, 681408, 698880, 730080, 757120, 778752, 786240, 851760, 898560, 908544, 973440, 1022112, 1048320, 1135680, 1168128, 1257984, 1277640, 1297920, 1362816, 1460160, 1514240, 1572480, 1703520, 1817088, 1946880, 2044224, 2096640, 2271360, 2336256, 2555280, 2725632, 2920320, 3028480, 3144960, 3407040, 3893760, 4088448, 4542720, 5110560, 5451264, 5840640, 6289920, 6814080, 8176896, 9085440, 10221120, 11681280, 13628160, 16353792, 20442240, 27256320, 40884480, 81768960]

約数ペア:

[(1, 81768960), (2, 40884480), (3, 27256320), (4, 20442240), (5, 16353792), (6, 13628160), (7, 11681280), (8, 10221120), (9, 9085440), (10, 8176896), (12, 6814080), (13, 6289920), (14, 5840640), (15, 5451264), (16, 5110560), (18, 4542720), (20, 4088448), (21, 3893760), (24, 3407040), (26, 3144960), (27, 3028480), (28, 2920320), (30, 2725632), (32, 2555280), (35, 2336256), (36, 2271360), (39, 2096640), (40, 2044224), (42, 1946880), (45, 1817088), (48, 1703520), (52, 1572480), (54, 1514240), (56, 1460160), (60, 1362816), (63, 1297920), (64, 1277640), (65, 1257984), (70, 1168128), (72, 1135680), (78, 1048320), (80, 1022112), (84, 973440), (90, 908544), (91, 898560), (96, 851760), (104, 786240), (105, 778752), (108, 757120), (112, 730080), (117, 698880), (120, 681408), (126, 648960), (128, 638820), (130, 628992), (135, 605696), (140, 584064), (144, 567840), (156, 524160), (160, 511056), (168, 486720), (169, 483840), (180, 454272), (182, 449280), (189, 432640), (192, 425880), (195, 419328), (208, 393120), (210, 389376), (216, 378560), (224, 365040), (234, 349440), (240, 340704), (252, 324480), (256, 319410), (260, 314496), (270, 302848), (273, 299520), (280, 292032), (288, 283920), (312, 262080), (315, 259584), (320, 255528), (336, 243360), (338, 241920), (351, 232960), (360, 227136), (364, 224640), (378, 216320), (384, 212940), (390, 209664), (416, 196560), (420, 194688), (432, 189280), (448, 182520), (455, 179712), (468, 174720), (480, 170352), (504, 162240), (507, 161280), (512, 159705), (520, 157248), (540, 151424), (546, 149760), (560, 146016), (576, 141960), (585, 139776), (624, 131040), (630, 129792), (640, 127764), (672, 121680), (676, 120960), (702, 116480), (720, 113568), (728, 112320), (756, 108160), (768, 106470), (780, 104832), (819, 99840), (832, 98280), (840, 97344), (845, 96768), (864, 94640), (896, 91260), (910, 89856), (936, 87360), (945, 86528), (960, 85176), (1008, 81120), (1014, 80640), (1040, 78624), (1080, 75712), (1092, 74880), (1120, 73008), (1152, 70980), (1170, 69888), (1183, 69120), (1248, 65520), (1260, 64896), (1280, 63882), (1344, 60840), (1352, 60480), (1365, 59904), (1404, 58240), (1440, 56784), (1456, 56160), (1512, 54080), (1521, 53760), (1536, 53235), (1560, 52416), (1638, 49920), (1664, 49140), (1680, 48672), (1690, 48384), (1728, 47320), (1755, 46592), (1792, 45630), (1820, 44928), (1872, 43680), (1890, 43264), (1920, 42588), (2016, 40560), (2028, 40320), (2080, 39312), (2160, 37856), (2184, 37440), (2240, 36504), (2304, 35490), (2340, 34944), (2366, 34560), (2457, 33280), (2496, 32760), (2520, 32448), (2535, 32256), (2560, 31941), (2688, 30420), (2704, 30240), (2730, 29952), (2808, 29120), (2880, 28392), (2912, 28080), (3024, 27040), (3042, 26880), (3120, 26208), (3276, 24960), (3328, 24570), (3360, 24336), (3380, 24192), (3456, 23660), (3510, 23296), (3549, 23040), (3584, 22815), (3640, 22464), (3744, 21840), (3780, 21632), (3840, 21294), (4032, 20280), (4056, 20160), (4095, 19968), (4160, 19656), (4320, 18928), (4368, 18720), (4480, 18252), (4563, 17920), (4608, 17745), (4680, 17472), (4732, 17280), (4914, 16640), (4992, 16380), (5040, 16224), (5070, 16128), (5376, 15210), (5408, 15120), (5460, 14976), (5616, 14560), (5760, 14196), (5824, 14040), (5915, 13824), (6048, 13520), (6084, 13440), (6240, 13104), (6552, 12480), (6656, 12285), (6720, 12168), (6760, 12096), (6912, 11830), (7020, 11648), (7098, 11520), (7280, 11232), (7488, 10920), (7560, 10816), (7605, 10752), (7680, 10647), (8064, 10140), (8112, 10080), (8190, 9984), (8320, 9828), (8640, 9464), (8736, 9360), (8960, 9126)]