261061920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 384

約数和(自身を含む): 1066867200

約数和(自身を除く): 805805280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 89, 90, 96, 97, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 178, 180, 189, 194, 210, 216, 224, 240, 252, 267, 270, 280, 288, 291, 315, 336, 356, 360, 378, 388, 420, 432, 445, 480, 485, 504, 534, 540, 560, 582, 623, 630, 672, 679, 712, 720, 756, 776, 801, 840, 864, 873, 890, 945, 970, 1008, 1068, 1080, 1120, 1164, 1246, 1260, 1335, 1358, 1424, 1440, 1455, 1512, 1552, 1602, 1680, 1746, 1780, 1869, 1890, 1940, 2016, 2037, 2136, 2160, 2328, 2403, 2492, 2520, 2619, 2670, 2716, 2848, 2910, 3024, 3104, 3115, 3204, 3360, 3395, 3492, 3560, 3738, 3780, 3880, 4005, 4074, 4272, 4320, 4365, 4656, 4806, 4984, 5040, 5238, 5340, 5432, 5607, 5820, 6048, 6111, 6230, 6408, 6790, 6984, 7120, 7476, 7560, 7760, 8010, 8148, 8544, 8633, 8730, 9312, 9345, 9612, 9968, 10080, 10185, 10476, 10680, 10864, 11214, 11640, 12015, 12222, 12460, 12816, 13095, 13580, 13968, 14240, 14952, 15120, 15520, 16020, 16296, 16821, 17266, 17460, 18333, 18690, 19224, 19936, 20370, 20952, 21360, 21728, 22428, 23280, 24030, 24444, 24920, 25632, 25899, 26190, 27160, 27936, 28035, 29904, 30240, 30555, 32040, 32592, 33642, 34532, 34920, 36666, 37380, 38448, 40740, 41904, 42720, 43165, 44856, 46560, 48060, 48888, 49840, 51798, 52380, 54320, 56070, 59808, 60431, 61110, 64080, 65184, 67284, 69064, 69840, 73332, 74760, 76896, 77697, 81480, 83808, 84105, 86330, 89712, 91665, 96120, 97776, 99680, 103596, 104760, 108640, 112140, 120862, 122220, 128160, 129495, 134568, 138128, 139680, 146664, 149520, 155394, 162960, 168210, 172660, 179424, 181293, 183330, 192240, 195552, 207192, 209520, 224280, 233091, 241724, 244440, 258990, 269136, 276256, 293328, 299040, 302155, 310788, 325920, 336420, 345320, 362586, 366660, 384480, 388485, 414384, 419040, 448560, 466182, 483448, 488880, 517980, 538272, 543879, 586656, 604310, 621576, 672840, 690640, 725172, 733320, 776970, 828768, 897120, 906465, 932364, 966896, 977760, 1035960, 1087758, 1165455, 1208620, 1243152, 1345680, 1381280, 1450344, 1466640, 1553940, 1631637, 1812930, 1864728, 1933792, 2071920, 2175516, 2330910, 2417240, 2486304, 2691360, 2719395, 2900688, 2933280, 3107880, 3263274, 3625860, 3729456, 4143840, 4351032, 4661820, 4834480, 5438790, 5801376, 6215760, 6526548, 7251720, 7458912, 8158185, 8702064, 9323640, 9668960, 10877580, 12431520, 13053096, 14503440, 16316370, 17404128, 18647280, 21755160, 26106192, 29006880, 32632740, 37294560, 43510320, 52212384, 65265480, 87020640, 130530960, 261061920]

約数ペア:

[(1, 261061920), (2, 130530960), (3, 87020640), (4, 65265480), (5, 52212384), (6, 43510320), (7, 37294560), (8, 32632740), (9, 29006880), (10, 26106192), (12, 21755160), (14, 18647280), (15, 17404128), (16, 16316370), (18, 14503440), (20, 13053096), (21, 12431520), (24, 10877580), (27, 9668960), (28, 9323640), (30, 8702064), (32, 8158185), (35, 7458912), (36, 7251720), (40, 6526548), (42, 6215760), (45, 5801376), (48, 5438790), (54, 4834480), (56, 4661820), (60, 4351032), (63, 4143840), (70, 3729456), (72, 3625860), (80, 3263274), (84, 3107880), (89, 2933280), (90, 2900688), (96, 2719395), (97, 2691360), (105, 2486304), (108, 2417240), (112, 2330910), (120, 2175516), (126, 2071920), (135, 1933792), (140, 1864728), (144, 1812930), (160, 1631637), (168, 1553940), (178, 1466640), (180, 1450344), (189, 1381280), (194, 1345680), (210, 1243152), (216, 1208620), (224, 1165455), (240, 1087758), (252, 1035960), (267, 977760), (270, 966896), (280, 932364), (288, 906465), (291, 897120), (315, 828768), (336, 776970), (356, 733320), (360, 725172), (378, 690640), (388, 672840), (420, 621576), (432, 604310), (445, 586656), (480, 543879), (485, 538272), (504, 517980), (534, 488880), (540, 483448), (560, 466182), (582, 448560), (623, 419040), (630, 414384), (672, 388485), (679, 384480), (712, 366660), (720, 362586), (756, 345320), (776, 336420), (801, 325920), (840, 310788), (864, 302155), (873, 299040), (890, 293328), (945, 276256), (970, 269136), (1008, 258990), (1068, 244440), (1080, 241724), (1120, 233091), (1164, 224280), (1246, 209520), (1260, 207192), (1335, 195552), (1358, 192240), (1424, 183330), (1440, 181293), (1455, 179424), (1512, 172660), (1552, 168210), (1602, 162960), (1680, 155394), (1746, 149520), (1780, 146664), (1869, 139680), (1890, 138128), (1940, 134568), (2016, 129495), (2037, 128160), (2136, 122220), (2160, 120862), (2328, 112140), (2403, 108640), (2492, 104760), (2520, 103596), (2619, 99680), (2670, 97776), (2716, 96120), (2848, 91665), (2910, 89712), (3024, 86330), (3104, 84105), (3115, 83808), (3204, 81480), (3360, 77697), (3395, 76896), (3492, 74760), (3560, 73332), (3738, 69840), (3780, 69064), (3880, 67284), (4005, 65184), (4074, 64080), (4272, 61110), (4320, 60431), (4365, 59808), (4656, 56070), (4806, 54320), (4984, 52380), (5040, 51798), (5238, 49840), (5340, 48888), (5432, 48060), (5607, 46560), (5820, 44856), (6048, 43165), (6111, 42720), (6230, 41904), (6408, 40740), (6790, 38448), (6984, 37380), (7120, 36666), (7476, 34920), (7560, 34532), (7760, 33642), (8010, 32592), (8148, 32040), (8544, 30555), (8633, 30240), (8730, 29904), (9312, 28035), (9345, 27936), (9612, 27160), (9968, 26190), (10080, 25899), (10185, 25632), (10476, 24920), (10680, 24444), (10864, 24030), (11214, 23280), (11640, 22428), (12015, 21728), (12222, 21360), (12460, 20952), (12816, 20370), (13095, 19936), (13580, 19224), (13968, 18690), (14240, 18333), (14952, 17460), (15120, 17266), (15520, 16821), (16020, 16296)]