861406560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1006

約数の個数: 288

約数和(自身を含む): 3397972032

約数和(自身を除く): 2536565472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 97, 105, 112, 120, 126, 140, 144, 160, 168, 180, 194, 210, 224, 240, 252, 280, 288, 291, 315, 336, 360, 388, 420, 480, 485, 504, 560, 582, 630, 672, 679, 720, 776, 840, 873, 881, 970, 1008, 1120, 1164, 1260, 1358, 1440, 1455, 1552, 1680, 1746, 1762, 1940, 2016, 2037, 2328, 2520, 2643, 2716, 2910, 3104, 3360, 3395, 3492, 3524, 3880, 4074, 4365, 4405, 4656, 5040, 5286, 5432, 5820, 6111, 6167, 6790, 6984, 7048, 7760, 7929, 8148, 8730, 8810, 9312, 10080, 10185, 10572, 10864, 11640, 12222, 12334, 13215, 13580, 13968, 14096, 15520, 15858, 16296, 17460, 17620, 18501, 20370, 21144, 21728, 23280, 24444, 24668, 26430, 27160, 27936, 28192, 30555, 30835, 31716, 32592, 34920, 35240, 37002, 39645, 40740, 42288, 46560, 48888, 49336, 52860, 54320, 55503, 61110, 61670, 63432, 65184, 69840, 70480, 74004, 79290, 81480, 84576, 85457, 92505, 97776, 98672, 105720, 108640, 111006, 122220, 123340, 126864, 139680, 140960, 148008, 158580, 162960, 170914, 185010, 195552, 197344, 211440, 222012, 244440, 246680, 253728, 256371, 277515, 296016, 317160, 325920, 341828, 370020, 422880, 427285, 444024, 488880, 493360, 512742, 555030, 592032, 598199, 634320, 683656, 740040, 769113, 854570, 888048, 977760, 986720, 1025484, 1110060, 1196398, 1268640, 1281855, 1367312, 1480080, 1538226, 1709140, 1776096, 1794597, 2050968, 2220120, 2392796, 2563710, 2734624, 2960160, 2990995, 3076452, 3418280, 3589194, 3845565, 4101936, 4440240, 4785592, 5127420, 5383791, 5981990, 6152904, 6836560, 7178388, 7691130, 8203872, 8880480, 8972985, 9571184, 10254840, 10767582, 11963980, 12305808, 13673120, 14356776, 15382260, 17945970, 19142368, 20509680, 21535164, 23927960, 24611616, 26918955, 28713552, 30764520, 35891940, 41019360, 43070328, 47855920, 53837910, 57427104, 61529040, 71783880, 86140656, 95711840, 107675820, 123058080, 143567760, 172281312, 215351640, 287135520, 430703280, 861406560]

約数ペア:

[(1, 861406560), (2, 430703280), (3, 287135520), (4, 215351640), (5, 172281312), (6, 143567760), (7, 123058080), (8, 107675820), (9, 95711840), (10, 86140656), (12, 71783880), (14, 61529040), (15, 57427104), (16, 53837910), (18, 47855920), (20, 43070328), (21, 41019360), (24, 35891940), (28, 30764520), (30, 28713552), (32, 26918955), (35, 24611616), (36, 23927960), (40, 21535164), (42, 20509680), (45, 19142368), (48, 17945970), (56, 15382260), (60, 14356776), (63, 13673120), (70, 12305808), (72, 11963980), (80, 10767582), (84, 10254840), (90, 9571184), (96, 8972985), (97, 8880480), (105, 8203872), (112, 7691130), (120, 7178388), (126, 6836560), (140, 6152904), (144, 5981990), (160, 5383791), (168, 5127420), (180, 4785592), (194, 4440240), (210, 4101936), (224, 3845565), (240, 3589194), (252, 3418280), (280, 3076452), (288, 2990995), (291, 2960160), (315, 2734624), (336, 2563710), (360, 2392796), (388, 2220120), (420, 2050968), (480, 1794597), (485, 1776096), (504, 1709140), (560, 1538226), (582, 1480080), (630, 1367312), (672, 1281855), (679, 1268640), (720, 1196398), (776, 1110060), (840, 1025484), (873, 986720), (881, 977760), (970, 888048), (1008, 854570), (1120, 769113), (1164, 740040), (1260, 683656), (1358, 634320), (1440, 598199), (1455, 592032), (1552, 555030), (1680, 512742), (1746, 493360), (1762, 488880), (1940, 444024), (2016, 427285), (2037, 422880), (2328, 370020), (2520, 341828), (2643, 325920), (2716, 317160), (2910, 296016), (3104, 277515), (3360, 256371), (3395, 253728), (3492, 246680), (3524, 244440), (3880, 222012), (4074, 211440), (4365, 197344), (4405, 195552), (4656, 185010), (5040, 170914), (5286, 162960), (5432, 158580), (5820, 148008), (6111, 140960), (6167, 139680), (6790, 126864), (6984, 123340), (7048, 122220), (7760, 111006), (7929, 108640), (8148, 105720), (8730, 98672), (8810, 97776), (9312, 92505), (10080, 85457), (10185, 84576), (10572, 81480), (10864, 79290), (11640, 74004), (12222, 70480), (12334, 69840), (13215, 65184), (13580, 63432), (13968, 61670), (14096, 61110), (15520, 55503), (15858, 54320), (16296, 52860), (17460, 49336), (17620, 48888), (18501, 46560), (20370, 42288), (21144, 40740), (21728, 39645), (23280, 37002), (24444, 35240), (24668, 34920), (26430, 32592), (27160, 31716), (27936, 30835), (28192, 30555)]