209517840

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 400

約数和(自身を含む): 864230400

約数和(自身を除く): 654712560

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, 149, 155, 162, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 298, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 447, 465, 496, 504, 540, 558, 560, 567, 596, 620, 630, 648, 651, 720, 744, 745, 756, 810, 837, 840, 868, 894, 930, 945, 1008, 1043, 1080, 1085, 1116, 1134, 1192, 1240, 1260, 1296, 1302, 1341, 1395, 1488, 1490, 1512, 1620, 1674, 1680, 1736, 1788, 1860, 1890, 1953, 2086, 2160, 2170, 2232, 2235, 2268, 2384, 2480, 2511, 2520, 2604, 2682, 2790, 2835, 2980, 3024, 3129, 3240, 3255, 3348, 3472, 3576, 3720, 3780, 3906, 4023, 4172, 4185, 4340, 4464, 4470, 4536, 4619, 5022, 5040, 5208, 5215, 5364, 5580, 5670, 5859, 5960, 6258, 6480, 6510, 6696, 6705, 7152, 7440, 7560, 7812, 8046, 8344, 8370, 8680, 8940, 9072, 9238, 9387, 9765, 10044, 10416, 10430, 10728, 11160, 11340, 11718, 11920, 12069, 12516, 12555, 13020, 13392, 13410, 13857, 15120, 15624, 15645, 16092, 16688, 16740, 17360, 17577, 17880, 18476, 18774, 19530, 20088, 20115, 20860, 21456, 22320, 22680, 23095, 23436, 24138, 25032, 25110, 26040, 26820, 27714, 28161, 29295, 31248, 31290, 32184, 32333, 33480, 35154, 35760, 36952, 37548, 39060, 40176, 40230, 41571, 41720, 45360, 46190, 46872, 46935, 48276, 50064, 50220, 52080, 53640, 55428, 56322, 58590, 60345, 62580, 64368, 64666, 66960, 69285, 70308, 73904, 75096, 78120, 80460, 83142, 83440, 84483, 87885, 92380, 93744, 93870, 96552, 96999, 100440, 107280, 110856, 112644, 117180, 120690, 124713, 125160, 129332, 138570, 140616, 140805, 150192, 156240, 160920, 161665, 166284, 168966, 175770, 184760, 187740, 193104, 193998, 200880, 207855, 221712, 225288, 234360, 241380, 249426, 250320, 258664, 277140, 281232, 281610, 290997, 321840, 323330, 332568, 337932, 351540, 369520, 374139, 375480, 387996, 415710, 422415, 450576, 468720, 482760, 484995, 498852, 517328, 554280, 563220, 581994, 623565, 646660, 665136, 675864, 703080, 748278, 750960, 775992, 831420, 844830, 872991, 965520, 969990, 997704, 1108560, 1126440, 1163988, 1247130, 1293320, 1351728, 1406160, 1454985, 1496556, 1551984, 1662840, 1689660, 1745982, 1870695, 1939980, 1995408, 2252880, 2327976, 2494260, 2586640, 2618973, 2909970, 2993112, 3325680, 3379320, 3491964, 3741390, 3879960, 4364955, 4655952, 4988520, 5237946, 5819940, 5986224, 6758640, 6983928, 7482780, 7759920, 8729910, 9977040, 10475892, 11639880, 13094865, 13967856, 14965560, 17459820, 20951784, 23279760, 26189730, 29931120, 34919640, 41903568, 52379460, 69839280, 104758920, 209517840]

約数ペア:

[(1, 209517840), (2, 104758920), (3, 69839280), (4, 52379460), (5, 41903568), (6, 34919640), (7, 29931120), (8, 26189730), (9, 23279760), (10, 20951784), (12, 17459820), (14, 14965560), (15, 13967856), (16, 13094865), (18, 11639880), (20, 10475892), (21, 9977040), (24, 8729910), (27, 7759920), (28, 7482780), (30, 6983928), (31, 6758640), (35, 5986224), (36, 5819940), (40, 5237946), (42, 4988520), (45, 4655952), (48, 4364955), (54, 3879960), (56, 3741390), (60, 3491964), (62, 3379320), (63, 3325680), (70, 2993112), (72, 2909970), (80, 2618973), (81, 2586640), (84, 2494260), (90, 2327976), (93, 2252880), (105, 1995408), (108, 1939980), (112, 1870695), (120, 1745982), (124, 1689660), (126, 1662840), (135, 1551984), (140, 1496556), (144, 1454985), (149, 1406160), (155, 1351728), (162, 1293320), (168, 1247130), (180, 1163988), (186, 1126440), (189, 1108560), (210, 997704), (216, 969990), (217, 965520), (240, 872991), (248, 844830), (252, 831420), (270, 775992), (279, 750960), (280, 748278), (298, 703080), (310, 675864), (315, 665136), (324, 646660), (336, 623565), (360, 581994), (372, 563220), (378, 554280), (405, 517328), (420, 498852), (432, 484995), (434, 482760), (447, 468720), (465, 450576), (496, 422415), (504, 415710), (540, 387996), (558, 375480), (560, 374139), (567, 369520), (596, 351540), (620, 337932), (630, 332568), (648, 323330), (651, 321840), (720, 290997), (744, 281610), (745, 281232), (756, 277140), (810, 258664), (837, 250320), (840, 249426), (868, 241380), (894, 234360), (930, 225288), (945, 221712), (1008, 207855), (1043, 200880), (1080, 193998), (1085, 193104), (1116, 187740), (1134, 184760), (1192, 175770), (1240, 168966), (1260, 166284), (1296, 161665), (1302, 160920), (1341, 156240), (1395, 150192), (1488, 140805), (1490, 140616), (1512, 138570), (1620, 129332), (1674, 125160), (1680, 124713), (1736, 120690), (1788, 117180), (1860, 112644), (1890, 110856), (1953, 107280), (2086, 100440), (2160, 96999), (2170, 96552), (2232, 93870), (2235, 93744), (2268, 92380), (2384, 87885), (2480, 84483), (2511, 83440), (2520, 83142), (2604, 80460), (2682, 78120), (2790, 75096), (2835, 73904), (2980, 70308), (3024, 69285), (3129, 66960), (3240, 64666), (3255, 64368), (3348, 62580), (3472, 60345), (3576, 58590), (3720, 56322), (3780, 55428), (3906, 53640), (4023, 52080), (4172, 50220), (4185, 50064), (4340, 48276), (4464, 46935), (4470, 46872), (4536, 46190), (4619, 45360), (5022, 41720), (5040, 41571), (5208, 40230), (5215, 40176), (5364, 39060), (5580, 37548), (5670, 36952), (5859, 35760), (5960, 35154), (6258, 33480), (6480, 32333), (6510, 32184), (6696, 31290), (6705, 31248), (7152, 29295), (7440, 28161), (7560, 27714), (7812, 26820), (8046, 26040), (8344, 25110), (8370, 25032), (8680, 24138), (8940, 23436), (9072, 23095), (9238, 22680), (9387, 22320), (9765, 21456), (10044, 20860), (10416, 20115), (10430, 20088), (10728, 19530), (11160, 18774), (11340, 18476), (11718, 17880), (11920, 17577), (12069, 17360), (12516, 16740), (12555, 16688), (13020, 16092), (13392, 15645), (13410, 15624), (13857, 15120)]