861217280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 320

約数和(自身を含む): 2736467712

約数和(自身を除く): 1875250432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 64, 68, 70, 77, 80, 85, 88, 110, 112, 119, 128, 136, 140, 154, 160, 170, 176, 187, 220, 224, 238, 256, 257, 272, 280, 308, 320, 340, 352, 374, 385, 440, 448, 476, 512, 514, 544, 560, 595, 616, 640, 680, 704, 748, 770, 880, 896, 935, 952, 1028, 1088, 1120, 1190, 1232, 1280, 1285, 1309, 1360, 1408, 1496, 1540, 1760, 1792, 1799, 1870, 1904, 2056, 2176, 2240, 2380, 2464, 2560, 2570, 2618, 2720, 2816, 2827, 2992, 3080, 3520, 3584, 3598, 3740, 3808, 4112, 4352, 4369, 4480, 4760, 4928, 5140, 5236, 5440, 5632, 5654, 5984, 6160, 6545, 7040, 7196, 7480, 7616, 8224, 8704, 8738, 8960, 8995, 9520, 9856, 10280, 10472, 10880, 11308, 11968, 12320, 13090, 14080, 14135, 14392, 14960, 15232, 16448, 17476, 17920, 17990, 19040, 19712, 19789, 20560, 20944, 21760, 21845, 22616, 23936, 24640, 26180, 28160, 28270, 28784, 29920, 30464, 30583, 32896, 34952, 35980, 38080, 39424, 39578, 41120, 41888, 43520, 43690, 45232, 47872, 48059, 49280, 52360, 56540, 57568, 59840, 60928, 61166, 65792, 69904, 71960, 76160, 79156, 82240, 83776, 87380, 90464, 95744, 96118, 98560, 98945, 104720, 113080, 115136, 119680, 122332, 131584, 139808, 143920, 152320, 152915, 158312, 164480, 167552, 174760, 180928, 192236, 197120, 197890, 209440, 226160, 230272, 239360, 240295, 244664, 279616, 287840, 304640, 305830, 316624, 328960, 335104, 336413, 349520, 361856, 384472, 395780, 418880, 452320, 460544, 478720, 480590, 489328, 559232, 575680, 611660, 633248, 657920, 670208, 672826, 699040, 723712, 768944, 791560, 837760, 904640, 921088, 961180, 978656, 1118464, 1151360, 1223320, 1266496, 1345652, 1398080, 1447424, 1537888, 1583120, 1675520, 1682065, 1809280, 1922360, 1957312, 2236928, 2302720, 2446640, 2532992, 2691304, 2796160, 3075776, 3166240, 3351040, 3364130, 3618560, 3844720, 3914624, 4605440, 4893280, 5065984, 5382608, 5592320, 6151552, 6332480, 6728260, 7237120, 7689440, 7829248, 9786560, 10131968, 10765216, 11184640, 12303104, 12664960, 13456520, 15378880, 15658496, 19573120, 21530432, 24606208, 25329920, 26913040, 30757760, 39146240, 43060864, 50659840, 53826080, 61515520, 78292480, 86121728, 107652160, 123031040, 172243456, 215304320, 430608640, 861217280]

約数ペア:

[(1, 861217280), (2, 430608640), (4, 215304320), (5, 172243456), (7, 123031040), (8, 107652160), (10, 86121728), (11, 78292480), (14, 61515520), (16, 53826080), (17, 50659840), (20, 43060864), (22, 39146240), (28, 30757760), (32, 26913040), (34, 25329920), (35, 24606208), (40, 21530432), (44, 19573120), (55, 15658496), (56, 15378880), (64, 13456520), (68, 12664960), (70, 12303104), (77, 11184640), (80, 10765216), (85, 10131968), (88, 9786560), (110, 7829248), (112, 7689440), (119, 7237120), (128, 6728260), (136, 6332480), (140, 6151552), (154, 5592320), (160, 5382608), (170, 5065984), (176, 4893280), (187, 4605440), (220, 3914624), (224, 3844720), (238, 3618560), (256, 3364130), (257, 3351040), (272, 3166240), (280, 3075776), (308, 2796160), (320, 2691304), (340, 2532992), (352, 2446640), (374, 2302720), (385, 2236928), (440, 1957312), (448, 1922360), (476, 1809280), (512, 1682065), (514, 1675520), (544, 1583120), (560, 1537888), (595, 1447424), (616, 1398080), (640, 1345652), (680, 1266496), (704, 1223320), (748, 1151360), (770, 1118464), (880, 978656), (896, 961180), (935, 921088), (952, 904640), (1028, 837760), (1088, 791560), (1120, 768944), (1190, 723712), (1232, 699040), (1280, 672826), (1285, 670208), (1309, 657920), (1360, 633248), (1408, 611660), (1496, 575680), (1540, 559232), (1760, 489328), (1792, 480590), (1799, 478720), (1870, 460544), (1904, 452320), (2056, 418880), (2176, 395780), (2240, 384472), (2380, 361856), (2464, 349520), (2560, 336413), (2570, 335104), (2618, 328960), (2720, 316624), (2816, 305830), (2827, 304640), (2992, 287840), (3080, 279616), (3520, 244664), (3584, 240295), (3598, 239360), (3740, 230272), (3808, 226160), (4112, 209440), (4352, 197890), (4369, 197120), (4480, 192236), (4760, 180928), (4928, 174760), (5140, 167552), (5236, 164480), (5440, 158312), (5632, 152915), (5654, 152320), (5984, 143920), (6160, 139808), (6545, 131584), (7040, 122332), (7196, 119680), (7480, 115136), (7616, 113080), (8224, 104720), (8704, 98945), (8738, 98560), (8960, 96118), (8995, 95744), (9520, 90464), (9856, 87380), (10280, 83776), (10472, 82240), (10880, 79156), (11308, 76160), (11968, 71960), (12320, 69904), (13090, 65792), (14080, 61166), (14135, 60928), (14392, 59840), (14960, 57568), (15232, 56540), (16448, 52360), (17476, 49280), (17920, 48059), (17990, 47872), (19040, 45232), (19712, 43690), (19789, 43520), (20560, 41888), (20944, 41120), (21760, 39578), (21845, 39424), (22616, 38080), (23936, 35980), (24640, 34952), (26180, 32896), (28160, 30583), (28270, 30464), (28784, 29920)]