251959680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{2083}}^1$

素因数の和:2118

約数の個数: 256

約数和(自身を含む): 1020326400

約数和(自身を除く): 768366720

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2083, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4166, 4320, 4480, 5040, 5760, 6048, 6249, 6720, 7560, 8064, 8332, 8640, 10080, 10415, 12096, 12498, 13440, 14581, 15120, 16664, 17280, 18747, 20160, 20830, 24192, 24996, 29162, 30240, 31245, 33328, 37494, 40320, 41660, 43743, 49992, 56241, 58324, 60480, 62490, 66656, 72905, 74988, 83320, 87486, 93735, 99984, 112482, 116648, 120960, 124980, 131229, 133312, 145810, 149976, 166640, 174972, 187470, 199968, 218715, 224964, 233296, 249960, 262458, 266624, 281205, 291620, 299952, 333280, 349944, 374940, 393687, 399936, 437430, 449928, 466592, 499920, 524916, 562410, 583240, 599904, 656145, 666560, 699888, 749880, 787374, 799872, 874860, 899856, 933184, 999840, 1049832, 1124820, 1166480, 1199808, 1312290, 1333120, 1399776, 1499760, 1574748, 1749720, 1799712, 1866368, 1968435, 1999680, 2099664, 2249640, 2332960, 2399616, 2624580, 2799552, 2999520, 3149496, 3499440, 3599424, 3936870, 3999360, 4199328, 4499280, 4665920, 5249160, 5599104, 5999040, 6298992, 6998880, 7198848, 7873740, 8398656, 8998560, 9331840, 10498320, 11998080, 12597984, 13997760, 15747480, 16797312, 17997120, 20996640, 25195968, 27995520, 31494960, 35994240, 41993280, 50391936, 62989920, 83986560, 125979840, 251959680]

約数ペア:

[(1, 251959680), (2, 125979840), (3, 83986560), (4, 62989920), (5, 50391936), (6, 41993280), (7, 35994240), (8, 31494960), (9, 27995520), (10, 25195968), (12, 20996640), (14, 17997120), (15, 16797312), (16, 15747480), (18, 13997760), (20, 12597984), (21, 11998080), (24, 10498320), (27, 9331840), (28, 8998560), (30, 8398656), (32, 7873740), (35, 7198848), (36, 6998880), (40, 6298992), (42, 5999040), (45, 5599104), (48, 5249160), (54, 4665920), (56, 4499280), (60, 4199328), (63, 3999360), (64, 3936870), (70, 3599424), (72, 3499440), (80, 3149496), (84, 2999520), (90, 2799552), (96, 2624580), (105, 2399616), (108, 2332960), (112, 2249640), (120, 2099664), (126, 1999680), (128, 1968435), (135, 1866368), (140, 1799712), (144, 1749720), (160, 1574748), (168, 1499760), (180, 1399776), (189, 1333120), (192, 1312290), (210, 1199808), (216, 1166480), (224, 1124820), (240, 1049832), (252, 999840), (270, 933184), (280, 899856), (288, 874860), (315, 799872), (320, 787374), (336, 749880), (360, 699888), (378, 666560), (384, 656145), (420, 599904), (432, 583240), (448, 562410), (480, 524916), (504, 499920), (540, 466592), (560, 449928), (576, 437430), (630, 399936), (640, 393687), (672, 374940), (720, 349944), (756, 333280), (840, 299952), (864, 291620), (896, 281205), (945, 266624), (960, 262458), (1008, 249960), (1080, 233296), (1120, 224964), (1152, 218715), (1260, 199968), (1344, 187470), (1440, 174972), (1512, 166640), (1680, 149976), (1728, 145810), (1890, 133312), (1920, 131229), (2016, 124980), (2083, 120960), (2160, 116648), (2240, 112482), (2520, 99984), (2688, 93735), (2880, 87486), (3024, 83320), (3360, 74988), (3456, 72905), (3780, 66656), (4032, 62490), (4166, 60480), (4320, 58324), (4480, 56241), (5040, 49992), (5760, 43743), (6048, 41660), (6249, 40320), (6720, 37494), (7560, 33328), (8064, 31245), (8332, 30240), (8640, 29162), (10080, 24996), (10415, 24192), (12096, 20830), (12498, 20160), (13440, 18747), (14581, 17280), (15120, 16664)]