261428580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 384

約数和(自身を含む): 1011548160

約数和(自身を除く): 750119580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 31, 35, 36, 42, 45, 46, 54, 60, 62, 63, 69, 70, 84, 90, 92, 93, 97, 105, 108, 115, 124, 126, 135, 138, 140, 155, 161, 180, 186, 189, 194, 207, 210, 217, 230, 252, 270, 276, 279, 291, 310, 315, 322, 345, 372, 378, 388, 414, 420, 434, 460, 465, 483, 485, 540, 558, 582, 620, 621, 630, 644, 651, 679, 690, 713, 756, 805, 828, 837, 868, 873, 930, 945, 966, 970, 1035, 1085, 1116, 1164, 1242, 1260, 1302, 1358, 1380, 1395, 1426, 1449, 1455, 1610, 1674, 1746, 1860, 1890, 1932, 1940, 1953, 2037, 2070, 2139, 2170, 2231, 2415, 2484, 2604, 2619, 2716, 2790, 2852, 2898, 2910, 3007, 3105, 3220, 3255, 3348, 3395, 3492, 3565, 3780, 3906, 4074, 4140, 4185, 4278, 4340, 4347, 4365, 4462, 4830, 4991, 5238, 5580, 5796, 5820, 5859, 6014, 6111, 6210, 6417, 6510, 6693, 6790, 7130, 7245, 7812, 8148, 8370, 8556, 8694, 8730, 8924, 9021, 9660, 9765, 9982, 10185, 10476, 10695, 11155, 11718, 12028, 12222, 12420, 12834, 13020, 13095, 13386, 13580, 14260, 14490, 14973, 15035, 15617, 16740, 17388, 17460, 18042, 18333, 19251, 19530, 19964, 20079, 20370, 21049, 21390, 21735, 22310, 23436, 24444, 24955, 25668, 26190, 26772, 27063, 28980, 29295, 29946, 30070, 30555, 31234, 32085, 33465, 36084, 36666, 38502, 39060, 40158, 40740, 42098, 42780, 43470, 44620, 44919, 45105, 46851, 49910, 52380, 54126, 58590, 59892, 60140, 60237, 61110, 62468, 63147, 64170, 66930, 69161, 73332, 74865, 77004, 78085, 80316, 81189, 84196, 86940, 89838, 90210, 91665, 93702, 96255, 99820, 100395, 105245, 108252, 117180, 120474, 122220, 126294, 128340, 133860, 134757, 135315, 138322, 140553, 149730, 156170, 162378, 179676, 180420, 183330, 187404, 189441, 192510, 200790, 207483, 210490, 224595, 234255, 240948, 252588, 269514, 270630, 276644, 281106, 299460, 301185, 312340, 315735, 324756, 345805, 366660, 378882, 385020, 401580, 405945, 414966, 420980, 421659, 449190, 468510, 484127, 539028, 541260, 562212, 568323, 602370, 622449, 631470, 673785, 691610, 702765, 757764, 811890, 829932, 843318, 898380, 937020, 947205, 968254, 1037415, 1136646, 1204740, 1244898, 1262940, 1347570, 1383220, 1405530, 1452381, 1623780, 1686636, 1867347, 1894410, 1936508, 2074830, 2108295, 2273292, 2420635, 2489796, 2695140, 2811060, 2841615, 2904762, 3112245, 3734694, 3788820, 4149660, 4216590, 4357143, 4841270, 5683230, 5809524, 6224490, 7261905, 7469388, 8433180, 8714286, 9336735, 9682540, 11366460, 12448980, 13071429, 14523810, 17428572, 18673470, 21785715, 26142858, 29047620, 37346940, 43571430, 52285716, 65357145, 87142860, 130714290, 261428580]

約数ペア:

[(1, 261428580), (2, 130714290), (3, 87142860), (4, 65357145), (5, 52285716), (6, 43571430), (7, 37346940), (9, 29047620), (10, 26142858), (12, 21785715), (14, 18673470), (15, 17428572), (18, 14523810), (20, 13071429), (21, 12448980), (23, 11366460), (27, 9682540), (28, 9336735), (30, 8714286), (31, 8433180), (35, 7469388), (36, 7261905), (42, 6224490), (45, 5809524), (46, 5683230), (54, 4841270), (60, 4357143), (62, 4216590), (63, 4149660), (69, 3788820), (70, 3734694), (84, 3112245), (90, 2904762), (92, 2841615), (93, 2811060), (97, 2695140), (105, 2489796), (108, 2420635), (115, 2273292), (124, 2108295), (126, 2074830), (135, 1936508), (138, 1894410), (140, 1867347), (155, 1686636), (161, 1623780), (180, 1452381), (186, 1405530), (189, 1383220), (194, 1347570), (207, 1262940), (210, 1244898), (217, 1204740), (230, 1136646), (252, 1037415), (270, 968254), (276, 947205), (279, 937020), (291, 898380), (310, 843318), (315, 829932), (322, 811890), (345, 757764), (372, 702765), (378, 691610), (388, 673785), (414, 631470), (420, 622449), (434, 602370), (460, 568323), (465, 562212), (483, 541260), (485, 539028), (540, 484127), (558, 468510), (582, 449190), (620, 421659), (621, 420980), (630, 414966), (644, 405945), (651, 401580), (679, 385020), (690, 378882), (713, 366660), (756, 345805), (805, 324756), (828, 315735), (837, 312340), (868, 301185), (873, 299460), (930, 281106), (945, 276644), (966, 270630), (970, 269514), (1035, 252588), (1085, 240948), (1116, 234255), (1164, 224595), (1242, 210490), (1260, 207483), (1302, 200790), (1358, 192510), (1380, 189441), (1395, 187404), (1426, 183330), (1449, 180420), (1455, 179676), (1610, 162378), (1674, 156170), (1746, 149730), (1860, 140553), (1890, 138322), (1932, 135315), (1940, 134757), (1953, 133860), (2037, 128340), (2070, 126294), (2139, 122220), (2170, 120474), (2231, 117180), (2415, 108252), (2484, 105245), (2604, 100395), (2619, 99820), (2716, 96255), (2790, 93702), (2852, 91665), (2898, 90210), (2910, 89838), (3007, 86940), (3105, 84196), (3220, 81189), (3255, 80316), (3348, 78085), (3395, 77004), (3492, 74865), (3565, 73332), (3780, 69161), (3906, 66930), (4074, 64170), (4140, 63147), (4185, 62468), (4278, 61110), (4340, 60237), (4347, 60140), (4365, 59892), (4462, 58590), (4830, 54126), (4991, 52380), (5238, 49910), (5580, 46851), (5796, 45105), (5820, 44919), (5859, 44620), (6014, 43470), (6111, 42780), (6210, 42098), (6417, 40740), (6510, 40158), (6693, 39060), (6790, 38502), (7130, 36666), (7245, 36084), (7812, 33465), (8148, 32085), (8370, 31234), (8556, 30555), (8694, 30070), (8730, 29946), (8924, 29295), (9021, 28980), (9660, 27063), (9765, 26772), (9982, 26190), (10185, 25668), (10476, 24955), (10695, 24444), (11155, 23436), (11718, 22310), (12028, 21735), (12222, 21390), (12420, 21049), (12834, 20370), (13020, 20079), (13095, 19964), (13386, 19530), (13580, 19251), (14260, 18333), (14490, 18042), (14973, 17460), (15035, 17388), (15617, 16740)]