28720382760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{50461}}^1$

素因数の和:50529

約数の個数: 256

約数和(自身を含む): 104638003200

約数和(自身を除く): 75917620440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 170, 180, 186, 204, 216, 248, 255, 270, 279, 306, 310, 340, 360, 372, 408, 459, 465, 510, 527, 540, 558, 612, 620, 680, 744, 765, 837, 918, 930, 1020, 1054, 1080, 1116, 1224, 1240, 1395, 1530, 1581, 1674, 1836, 1860, 2040, 2108, 2232, 2295, 2635, 2790, 3060, 3162, 3348, 3672, 3720, 4185, 4216, 4590, 4743, 5270, 5580, 6120, 6324, 6696, 7905, 8370, 9180, 9486, 10540, 11160, 12648, 14229, 15810, 16740, 18360, 18972, 21080, 23715, 28458, 31620, 33480, 37944, 47430, 50461, 56916, 63240, 71145, 94860, 100922, 113832, 142290, 151383, 189720, 201844, 252305, 284580, 302766, 403688, 454149, 504610, 569160, 605532, 756915, 857837, 908298, 1009220, 1211064, 1362447, 1513830, 1564291, 1715674, 1816596, 2018440, 2270745, 2573511, 2724894, 3027660, 3128582, 3431348, 3633192, 4289185, 4541490, 4692873, 5147022, 5449788, 6055320, 6257164, 6812235, 6862696, 7720533, 7821455, 8578370, 9082980, 9385746, 10294044, 10899576, 12514328, 12867555, 13624470, 14078619, 15441066, 15642910, 17156740, 18165960, 18771492, 20588088, 23161599, 23464365, 25735110, 26592947, 27248940, 28157238, 30882132, 31285820, 34313480, 37542984, 38602665, 42235857, 46323198, 46928730, 51470220, 53185894, 54497880, 56314476, 61764264, 62571640, 70393095, 77205330, 79778841, 84471714, 92646396, 93857460, 102940440, 106371788, 112628952, 115807995, 132964735, 140786190, 154410660, 159557682, 168943428, 185292792, 187714920, 211179285, 212743576, 231615990, 239336523, 265929470, 281572380, 308821320, 319115364, 337886856, 398894205, 422358570, 463231980, 478673046, 531858940, 563144760, 638230728, 718009569, 797788410, 844717140, 926463960, 957346092, 1063717880, 1196682615, 1436019138, 1595576820, 1689434280, 1914692184, 2393365230, 2872038276, 3191153640, 3590047845, 4786730460, 5744076552, 7180095690, 9573460920, 14360191380, 28720382760]

約数ペア:

[(1, 28720382760), (2, 14360191380), (3, 9573460920), (4, 7180095690), (5, 5744076552), (6, 4786730460), (8, 3590047845), (9, 3191153640), (10, 2872038276), (12, 2393365230), (15, 1914692184), (17, 1689434280), (18, 1595576820), (20, 1436019138), (24, 1196682615), (27, 1063717880), (30, 957346092), (31, 926463960), (34, 844717140), (36, 797788410), (40, 718009569), (45, 638230728), (51, 563144760), (54, 531858940), (60, 478673046), (62, 463231980), (68, 422358570), (72, 398894205), (85, 337886856), (90, 319115364), (93, 308821320), (102, 281572380), (108, 265929470), (120, 239336523), (124, 231615990), (135, 212743576), (136, 211179285), (153, 187714920), (155, 185292792), (170, 168943428), (180, 159557682), (186, 154410660), (204, 140786190), (216, 132964735), (248, 115807995), (255, 112628952), (270, 106371788), (279, 102940440), (306, 93857460), (310, 92646396), (340, 84471714), (360, 79778841), (372, 77205330), (408, 70393095), (459, 62571640), (465, 61764264), (510, 56314476), (527, 54497880), (540, 53185894), (558, 51470220), (612, 46928730), (620, 46323198), (680, 42235857), (744, 38602665), (765, 37542984), (837, 34313480), (918, 31285820), (930, 30882132), (1020, 28157238), (1054, 27248940), (1080, 26592947), (1116, 25735110), (1224, 23464365), (1240, 23161599), (1395, 20588088), (1530, 18771492), (1581, 18165960), (1674, 17156740), (1836, 15642910), (1860, 15441066), (2040, 14078619), (2108, 13624470), (2232, 12867555), (2295, 12514328), (2635, 10899576), (2790, 10294044), (3060, 9385746), (3162, 9082980), (3348, 8578370), (3672, 7821455), (3720, 7720533), (4185, 6862696), (4216, 6812235), (4590, 6257164), (4743, 6055320), (5270, 5449788), (5580, 5147022), (6120, 4692873), (6324, 4541490), (6696, 4289185), (7905, 3633192), (8370, 3431348), (9180, 3128582), (9486, 3027660), (10540, 2724894), (11160, 2573511), (12648, 2270745), (14229, 2018440), (15810, 1816596), (16740, 1715674), (18360, 1564291), (18972, 1513830), (21080, 1362447), (23715, 1211064), (28458, 1009220), (31620, 908298), (33480, 857837), (37944, 756915), (47430, 605532), (50461, 569160), (56916, 504610), (63240, 454149), (71145, 403688), (94860, 302766), (100922, 284580), (113832, 252305), (142290, 201844), (151383, 189720)]