212879520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 288

約数和(自身を含む): 849139200

約数和(自身を除く): 636259680

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 431, 441, 480, 490, 504, 560, 588, 630, 672, 686, 720, 735, 784, 840, 862, 882, 980, 1008, 1029, 1120, 1176, 1260, 1293, 1372, 1440, 1470, 1568, 1680, 1715, 1724, 1764, 1960, 2016, 2058, 2155, 2205, 2352, 2520, 2586, 2744, 2940, 3017, 3087, 3360, 3430, 3448, 3528, 3879, 3920, 4116, 4310, 4410, 4704, 5040, 5145, 5172, 5488, 5880, 6034, 6174, 6465, 6860, 6896, 7056, 7758, 7840, 8232, 8620, 8820, 9051, 10080, 10290, 10344, 10976, 11760, 12068, 12348, 12930, 13720, 13792, 14112, 15085, 15435, 15516, 16464, 17240, 17640, 18102, 19395, 20580, 20688, 21119, 23520, 24136, 24696, 25860, 27153, 27440, 30170, 30870, 31032, 32928, 34480, 35280, 36204, 38790, 41160, 41376, 42238, 45255, 48272, 49392, 51720, 54306, 54880, 60340, 61740, 62064, 63357, 68960, 70560, 72408, 77580, 82320, 84476, 90510, 96544, 98784, 103440, 105595, 108612, 120680, 123480, 124128, 126714, 135765, 144816, 147833, 155160, 164640, 168952, 181020, 190071, 206880, 211190, 217224, 241360, 246960, 253428, 271530, 289632, 295666, 310320, 316785, 337904, 362040, 380142, 422380, 434448, 443499, 482720, 493920, 506856, 543060, 591332, 620640, 633570, 675808, 724080, 739165, 760284, 844760, 868896, 886998, 950355, 1013712, 1086120, 1182664, 1267140, 1330497, 1448160, 1478330, 1520568, 1689520, 1773996, 1900710, 2027424, 2172240, 2217495, 2365328, 2534280, 2660994, 2956660, 3041136, 3379040, 3547992, 3801420, 4344480, 4434990, 4730656, 5068560, 5321988, 5913320, 6082272, 6652485, 7095984, 7602840, 8869980, 10137120, 10643976, 11826640, 13304970, 14191968, 15205680, 17739960, 21287952, 23653280, 26609940, 30411360, 35479920, 42575904, 53219880, 70959840, 106439760, 212879520]

約数ペア:

[(1, 212879520), (2, 106439760), (3, 70959840), (4, 53219880), (5, 42575904), (6, 35479920), (7, 30411360), (8, 26609940), (9, 23653280), (10, 21287952), (12, 17739960), (14, 15205680), (15, 14191968), (16, 13304970), (18, 11826640), (20, 10643976), (21, 10137120), (24, 8869980), (28, 7602840), (30, 7095984), (32, 6652485), (35, 6082272), (36, 5913320), (40, 5321988), (42, 5068560), (45, 4730656), (48, 4434990), (49, 4344480), (56, 3801420), (60, 3547992), (63, 3379040), (70, 3041136), (72, 2956660), (80, 2660994), (84, 2534280), (90, 2365328), (96, 2217495), (98, 2172240), (105, 2027424), (112, 1900710), (120, 1773996), (126, 1689520), (140, 1520568), (144, 1478330), (147, 1448160), (160, 1330497), (168, 1267140), (180, 1182664), (196, 1086120), (210, 1013712), (224, 950355), (240, 886998), (245, 868896), (252, 844760), (280, 760284), (288, 739165), (294, 724080), (315, 675808), (336, 633570), (343, 620640), (360, 591332), (392, 543060), (420, 506856), (431, 493920), (441, 482720), (480, 443499), (490, 434448), (504, 422380), (560, 380142), (588, 362040), (630, 337904), (672, 316785), (686, 310320), (720, 295666), (735, 289632), (784, 271530), (840, 253428), (862, 246960), (882, 241360), (980, 217224), (1008, 211190), (1029, 206880), (1120, 190071), (1176, 181020), (1260, 168952), (1293, 164640), (1372, 155160), (1440, 147833), (1470, 144816), (1568, 135765), (1680, 126714), (1715, 124128), (1724, 123480), (1764, 120680), (1960, 108612), (2016, 105595), (2058, 103440), (2155, 98784), (2205, 96544), (2352, 90510), (2520, 84476), (2586, 82320), (2744, 77580), (2940, 72408), (3017, 70560), (3087, 68960), (3360, 63357), (3430, 62064), (3448, 61740), (3528, 60340), (3879, 54880), (3920, 54306), (4116, 51720), (4310, 49392), (4410, 48272), (4704, 45255), (5040, 42238), (5145, 41376), (5172, 41160), (5488, 38790), (5880, 36204), (6034, 35280), (6174, 34480), (6465, 32928), (6860, 31032), (6896, 30870), (7056, 30170), (7758, 27440), (7840, 27153), (8232, 25860), (8620, 24696), (8820, 24136), (9051, 23520), (10080, 21119), (10290, 20688), (10344, 20580), (10976, 19395), (11760, 18102), (12068, 17640), (12348, 17240), (12930, 16464), (13720, 15516), (13792, 15435), (14112, 15085)]