642615120

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 400

約数和(自身を含む): 2638783488

約数和(自身を除く): 1996168368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 162, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 457, 465, 496, 504, 540, 558, 560, 567, 620, 630, 648, 651, 720, 744, 756, 810, 837, 840, 868, 914, 930, 945, 1008, 1080, 1085, 1116, 1134, 1240, 1260, 1296, 1302, 1371, 1395, 1488, 1512, 1620, 1674, 1680, 1736, 1828, 1860, 1890, 1953, 2160, 2170, 2232, 2268, 2285, 2480, 2511, 2520, 2604, 2742, 2790, 2835, 3024, 3199, 3240, 3255, 3348, 3472, 3656, 3720, 3780, 3906, 4113, 4185, 4340, 4464, 4536, 4570, 5022, 5040, 5208, 5484, 5580, 5670, 5859, 6398, 6480, 6510, 6696, 6855, 7312, 7440, 7560, 7812, 8226, 8370, 8680, 9072, 9140, 9597, 9765, 10044, 10416, 10968, 11160, 11340, 11718, 12339, 12555, 12796, 13020, 13392, 13710, 14167, 15120, 15624, 15995, 16452, 16740, 17360, 17577, 18280, 19194, 19530, 20088, 20565, 21936, 22320, 22680, 23436, 24678, 25110, 25592, 26040, 27420, 28334, 28791, 29295, 31248, 31990, 32904, 33480, 35154, 36560, 37017, 38388, 39060, 40176, 41130, 42501, 45360, 46872, 47985, 49356, 50220, 51184, 52080, 54840, 56668, 57582, 58590, 61695, 63980, 65808, 66960, 70308, 70835, 74034, 76776, 78120, 82260, 85002, 86373, 87885, 93744, 95970, 98712, 99169, 100440, 109680, 113336, 115164, 117180, 123390, 127503, 127960, 140616, 141670, 143955, 148068, 153552, 156240, 164520, 170004, 172746, 175770, 185085, 191940, 197424, 198338, 200880, 212505, 226672, 230328, 234360, 246780, 255006, 255920, 259119, 281232, 283340, 287910, 296136, 297507, 329040, 340008, 345492, 351540, 370170, 382509, 383880, 396676, 425010, 431865, 460656, 468720, 493560, 495845, 510012, 518238, 566680, 575820, 592272, 595014, 637515, 680016, 690984, 703080, 740340, 765018, 767760, 793352, 850020, 863730, 892521, 987120, 991690, 1020024, 1036476, 1133360, 1147527, 1151640, 1190028, 1275030, 1295595, 1381968, 1406160, 1480680, 1487535, 1530036, 1586704, 1700040, 1727460, 1785042, 1912545, 1983380, 2040048, 2072952, 2295054, 2303280, 2380056, 2550060, 2591190, 2677563, 2961360, 2975070, 3060072, 3400080, 3454920, 3570084, 3825090, 3966760, 4145904, 4462605, 4590108, 4760112, 5100120, 5182380, 5355126, 5737635, 5950140, 6120144, 6909840, 7140168, 7650180, 7933520, 8032689, 8925210, 9180216, 10200240, 10364760, 10710252, 11475270, 11900280, 13387815, 14280336, 15300360, 16065378, 17850420, 18360432, 20729520, 21420504, 22950540, 23800560, 26775630, 30600720, 32130756, 35700840, 40163445, 42841008, 45901080, 53551260, 64261512, 71401680, 80326890, 91802160, 107102520, 128523024, 160653780, 214205040, 321307560, 642615120]

約数ペア:

[(1, 642615120), (2, 321307560), (3, 214205040), (4, 160653780), (5, 128523024), (6, 107102520), (7, 91802160), (8, 80326890), (9, 71401680), (10, 64261512), (12, 53551260), (14, 45901080), (15, 42841008), (16, 40163445), (18, 35700840), (20, 32130756), (21, 30600720), (24, 26775630), (27, 23800560), (28, 22950540), (30, 21420504), (31, 20729520), (35, 18360432), (36, 17850420), (40, 16065378), (42, 15300360), (45, 14280336), (48, 13387815), (54, 11900280), (56, 11475270), (60, 10710252), (62, 10364760), (63, 10200240), (70, 9180216), (72, 8925210), (80, 8032689), (81, 7933520), (84, 7650180), (90, 7140168), (93, 6909840), (105, 6120144), (108, 5950140), (112, 5737635), (120, 5355126), (124, 5182380), (126, 5100120), (135, 4760112), (140, 4590108), (144, 4462605), (155, 4145904), (162, 3966760), (168, 3825090), (180, 3570084), (186, 3454920), (189, 3400080), (210, 3060072), (216, 2975070), (217, 2961360), (240, 2677563), (248, 2591190), (252, 2550060), (270, 2380056), (279, 2303280), (280, 2295054), (310, 2072952), (315, 2040048), (324, 1983380), (336, 1912545), (360, 1785042), (372, 1727460), (378, 1700040), (405, 1586704), (420, 1530036), (432, 1487535), (434, 1480680), (457, 1406160), (465, 1381968), (496, 1295595), (504, 1275030), (540, 1190028), (558, 1151640), (560, 1147527), (567, 1133360), (620, 1036476), (630, 1020024), (648, 991690), (651, 987120), (720, 892521), (744, 863730), (756, 850020), (810, 793352), (837, 767760), (840, 765018), (868, 740340), (914, 703080), (930, 690984), (945, 680016), (1008, 637515), (1080, 595014), (1085, 592272), (1116, 575820), (1134, 566680), (1240, 518238), (1260, 510012), (1296, 495845), (1302, 493560), (1371, 468720), (1395, 460656), (1488, 431865), (1512, 425010), (1620, 396676), (1674, 383880), (1680, 382509), (1736, 370170), (1828, 351540), (1860, 345492), (1890, 340008), (1953, 329040), (2160, 297507), (2170, 296136), (2232, 287910), (2268, 283340), (2285, 281232), (2480, 259119), (2511, 255920), (2520, 255006), (2604, 246780), (2742, 234360), (2790, 230328), (2835, 226672), (3024, 212505), (3199, 200880), (3240, 198338), (3255, 197424), (3348, 191940), (3472, 185085), (3656, 175770), (3720, 172746), (3780, 170004), (3906, 164520), (4113, 156240), (4185, 153552), (4340, 148068), (4464, 143955), (4536, 141670), (4570, 140616), (5022, 127960), (5040, 127503), (5208, 123390), (5484, 117180), (5580, 115164), (5670, 113336), (5859, 109680), (6398, 100440), (6480, 99169), (6510, 98712), (6696, 95970), (6855, 93744), (7312, 87885), (7440, 86373), (7560, 85002), (7812, 82260), (8226, 78120), (8370, 76776), (8680, 74034), (9072, 70835), (9140, 70308), (9597, 66960), (9765, 65808), (10044, 63980), (10416, 61695), (10968, 58590), (11160, 57582), (11340, 56668), (11718, 54840), (12339, 52080), (12555, 51184), (12796, 50220), (13020, 49356), (13392, 47985), (13710, 46872), (14167, 45360), (15120, 42501), (15624, 41130), (15995, 40176), (16452, 39060), (16740, 38388), (17360, 37017), (17577, 36560), (18280, 35154), (19194, 33480), (19530, 32904), (20088, 31990), (20565, 31248), (21936, 29295), (22320, 28791), (22680, 28334), (23436, 27420), (24678, 26040), (25110, 25592)]