245231280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^3\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 320

約数和(自身を含む): 988032000

約数和(自身を除く): 742800720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 331, 336, 343, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 662, 686, 720, 735, 756, 784, 840, 882, 945, 980, 993, 1008, 1029, 1080, 1176, 1260, 1323, 1324, 1372, 1470, 1512, 1655, 1680, 1715, 1764, 1890, 1960, 1986, 2058, 2160, 2205, 2317, 2352, 2520, 2646, 2648, 2744, 2940, 2979, 3024, 3087, 3310, 3430, 3528, 3780, 3920, 3972, 4116, 4410, 4634, 4965, 5040, 5145, 5292, 5296, 5488, 5880, 5958, 6174, 6615, 6620, 6860, 6951, 7056, 7560, 7944, 8232, 8820, 8937, 9261, 9268, 9930, 10290, 10584, 11585, 11760, 11916, 12348, 13230, 13240, 13720, 13902, 14895, 15120, 15435, 15888, 16219, 16464, 17640, 17874, 18522, 18536, 19860, 20580, 20853, 21168, 23170, 23832, 24696, 26460, 26480, 27440, 27804, 29790, 30870, 32438, 34755, 35280, 35748, 37044, 37072, 39720, 41160, 41706, 44685, 46305, 46340, 47664, 48657, 49392, 52920, 55608, 59580, 61740, 62559, 64876, 69510, 71496, 74088, 79440, 81095, 82320, 83412, 89370, 92610, 92680, 97314, 104265, 105840, 111216, 113533, 119160, 123480, 125118, 129752, 139020, 142992, 145971, 148176, 162190, 166824, 178740, 185220, 185360, 194628, 208530, 227066, 238320, 243285, 246960, 250236, 259504, 278040, 291942, 312795, 324380, 333648, 340599, 357480, 370440, 389256, 417060, 437913, 454132, 486570, 500472, 556080, 567665, 583884, 625590, 648760, 681198, 714960, 729855, 740880, 778512, 834120, 875826, 908264, 973140, 1000944, 1021797, 1135330, 1167768, 1251180, 1297520, 1362396, 1459710, 1668240, 1702995, 1751652, 1816528, 1946280, 2043594, 2189565, 2270660, 2335536, 2502360, 2724792, 2919420, 3065391, 3405990, 3503304, 3892560, 4087188, 4379130, 4541320, 5004720, 5108985, 5449584, 5838840, 6130782, 6811980, 7006608, 8174376, 8758260, 9082640, 10217970, 11677680, 12261564, 13623960, 15326955, 16348752, 17516520, 20435940, 24523128, 27247920, 30653910, 35033040, 40871880, 49046256, 61307820, 81743760, 122615640, 245231280]

約数ペア:

[(1, 245231280), (2, 122615640), (3, 81743760), (4, 61307820), (5, 49046256), (6, 40871880), (7, 35033040), (8, 30653910), (9, 27247920), (10, 24523128), (12, 20435940), (14, 17516520), (15, 16348752), (16, 15326955), (18, 13623960), (20, 12261564), (21, 11677680), (24, 10217970), (27, 9082640), (28, 8758260), (30, 8174376), (35, 7006608), (36, 6811980), (40, 6130782), (42, 5838840), (45, 5449584), (48, 5108985), (49, 5004720), (54, 4541320), (56, 4379130), (60, 4087188), (63, 3892560), (70, 3503304), (72, 3405990), (80, 3065391), (84, 2919420), (90, 2724792), (98, 2502360), (105, 2335536), (108, 2270660), (112, 2189565), (120, 2043594), (126, 1946280), (135, 1816528), (140, 1751652), (144, 1702995), (147, 1668240), (168, 1459710), (180, 1362396), (189, 1297520), (196, 1251180), (210, 1167768), (216, 1135330), (240, 1021797), (245, 1000944), (252, 973140), (270, 908264), (280, 875826), (294, 834120), (315, 778512), (331, 740880), (336, 729855), (343, 714960), (360, 681198), (378, 648760), (392, 625590), (420, 583884), (432, 567665), (441, 556080), (490, 500472), (504, 486570), (540, 454132), (560, 437913), (588, 417060), (630, 389256), (662, 370440), (686, 357480), (720, 340599), (735, 333648), (756, 324380), (784, 312795), (840, 291942), (882, 278040), (945, 259504), (980, 250236), (993, 246960), (1008, 243285), (1029, 238320), (1080, 227066), (1176, 208530), (1260, 194628), (1323, 185360), (1324, 185220), (1372, 178740), (1470, 166824), (1512, 162190), (1655, 148176), (1680, 145971), (1715, 142992), (1764, 139020), (1890, 129752), (1960, 125118), (1986, 123480), (2058, 119160), (2160, 113533), (2205, 111216), (2317, 105840), (2352, 104265), (2520, 97314), (2646, 92680), (2648, 92610), (2744, 89370), (2940, 83412), (2979, 82320), (3024, 81095), (3087, 79440), (3310, 74088), (3430, 71496), (3528, 69510), (3780, 64876), (3920, 62559), (3972, 61740), (4116, 59580), (4410, 55608), (4634, 52920), (4965, 49392), (5040, 48657), (5145, 47664), (5292, 46340), (5296, 46305), (5488, 44685), (5880, 41706), (5958, 41160), (6174, 39720), (6615, 37072), (6620, 37044), (6860, 35748), (6951, 35280), (7056, 34755), (7560, 32438), (7944, 30870), (8232, 29790), (8820, 27804), (8937, 27440), (9261, 26480), (9268, 26460), (9930, 24696), (10290, 23832), (10584, 23170), (11585, 21168), (11760, 20853), (11916, 20580), (12348, 19860), (13230, 18536), (13240, 18522), (13720, 17874), (13902, 17640), (14895, 16464), (15120, 16219), (15435, 15888)]