638202240

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 320

約数和(自身を含む): 2457045360

約数和(自身を除く): 1818843120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 648, 702, 720, 780, 810, 832, 864, 936, 947, 960, 1040, 1053, 1080, 1152, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1664, 1728, 1755, 1872, 1894, 1920, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2841, 2880, 3120, 3240, 3456, 3510, 3744, 3788, 4160, 4212, 4320, 4680, 4735, 4992, 5184, 5265, 5616, 5682, 5760, 6240, 6480, 7020, 7488, 7576, 8320, 8424, 8523, 8640, 9360, 9470, 10368, 10530, 11232, 11364, 12311, 12480, 12960, 14040, 14205, 14976, 15152, 16848, 17046, 17280, 18720, 18940, 21060, 22464, 22728, 24622, 24960, 25569, 25920, 28080, 28410, 30304, 33696, 34092, 36933, 37440, 37880, 42120, 42615, 44928, 45456, 49244, 51138, 51840, 56160, 56820, 60608, 61555, 67392, 68184, 73866, 74880, 75760, 76707, 84240, 85230, 90912, 98488, 102276, 110799, 112320, 113640, 121216, 123110, 127845, 134784, 136368, 147732, 151520, 153414, 168480, 170460, 181824, 184665, 196976, 204552, 221598, 224640, 227280, 246220, 255690, 272736, 295464, 303040, 306828, 332397, 336960, 340920, 363648, 369330, 383535, 393952, 409104, 443196, 454560, 492440, 511380, 545472, 553995, 590928, 606080, 613656, 664794, 673920, 681840, 738660, 767070, 787904, 818208, 886392, 909120, 984880, 997191, 1022760, 1090944, 1107990, 1181856, 1227312, 1329588, 1363680, 1477320, 1534140, 1575808, 1636416, 1661985, 1772784, 1818240, 1969760, 1994382, 2045520, 2215980, 2363712, 2454624, 2659176, 2727360, 2954640, 3068280, 3272832, 3323970, 3545568, 3939520, 3988764, 4091040, 4431960, 4727424, 4909248, 4985955, 5318352, 5454720, 5909280, 6136560, 6647940, 7091136, 7879040, 7977528, 8182080, 8863920, 9818496, 9971910, 10636704, 11818560, 12273120, 13295880, 14182272, 15955056, 16364160, 17727840, 19943820, 21273408, 23637120, 24546240, 26591760, 31910112, 35455680, 39887640, 42546816, 49092480, 53183520, 63820224, 70911360, 79775280, 106367040, 127640448, 159550560, 212734080, 319101120, 638202240]

約数ペア:

[(1, 638202240), (2, 319101120), (3, 212734080), (4, 159550560), (5, 127640448), (6, 106367040), (8, 79775280), (9, 70911360), (10, 63820224), (12, 53183520), (13, 49092480), (15, 42546816), (16, 39887640), (18, 35455680), (20, 31910112), (24, 26591760), (26, 24546240), (27, 23637120), (30, 21273408), (32, 19943820), (36, 17727840), (39, 16364160), (40, 15955056), (45, 14182272), (48, 13295880), (52, 12273120), (54, 11818560), (60, 10636704), (64, 9971910), (65, 9818496), (72, 8863920), (78, 8182080), (80, 7977528), (81, 7879040), (90, 7091136), (96, 6647940), (104, 6136560), (108, 5909280), (117, 5454720), (120, 5318352), (128, 4985955), (130, 4909248), (135, 4727424), (144, 4431960), (156, 4091040), (160, 3988764), (162, 3939520), (180, 3545568), (192, 3323970), (195, 3272832), (208, 3068280), (216, 2954640), (234, 2727360), (240, 2659176), (260, 2454624), (270, 2363712), (288, 2215980), (312, 2045520), (320, 1994382), (324, 1969760), (351, 1818240), (360, 1772784), (384, 1661985), (390, 1636416), (405, 1575808), (416, 1534140), (432, 1477320), (468, 1363680), (480, 1329588), (520, 1227312), (540, 1181856), (576, 1107990), (585, 1090944), (624, 1022760), (640, 997191), (648, 984880), (702, 909120), (720, 886392), (780, 818208), (810, 787904), (832, 767070), (864, 738660), (936, 681840), (947, 673920), (960, 664794), (1040, 613656), (1053, 606080), (1080, 590928), (1152, 553995), (1170, 545472), (1248, 511380), (1296, 492440), (1404, 454560), (1440, 443196), (1560, 409104), (1620, 393952), (1664, 383535), (1728, 369330), (1755, 363648), (1872, 340920), (1894, 336960), (1920, 332397), (2080, 306828), (2106, 303040), (2160, 295464), (2340, 272736), (2496, 255690), (2592, 246220), (2808, 227280), (2841, 224640), (2880, 221598), (3120, 204552), (3240, 196976), (3456, 184665), (3510, 181824), (3744, 170460), (3788, 168480), (4160, 153414), (4212, 151520), (4320, 147732), (4680, 136368), (4735, 134784), (4992, 127845), (5184, 123110), (5265, 121216), (5616, 113640), (5682, 112320), (5760, 110799), (6240, 102276), (6480, 98488), (7020, 90912), (7488, 85230), (7576, 84240), (8320, 76707), (8424, 75760), (8523, 74880), (8640, 73866), (9360, 68184), (9470, 67392), (10368, 61555), (10530, 60608), (11232, 56820), (11364, 56160), (12311, 51840), (12480, 51138), (12960, 49244), (14040, 45456), (14205, 44928), (14976, 42615), (15152, 42120), (16848, 37880), (17046, 37440), (17280, 36933), (18720, 34092), (18940, 33696), (21060, 30304), (22464, 28410), (22728, 28080), (24622, 25920), (24960, 25569)]