255640320

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 288

約数和(自身を含む): 978667200

約数和(自身を除く): 723026880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 569, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 936, 960, 1040, 1080, 1138, 1152, 1170, 1248, 1280, 1404, 1440, 1560, 1664, 1707, 1728, 1755, 1872, 1920, 2080, 2160, 2276, 2304, 2340, 2496, 2808, 2845, 2880, 3120, 3328, 3414, 3456, 3510, 3744, 3840, 4160, 4320, 4552, 4680, 4992, 5121, 5616, 5690, 5760, 6240, 6828, 6912, 7020, 7397, 7488, 8320, 8535, 8640, 9104, 9360, 9984, 10242, 11232, 11380, 11520, 12480, 13656, 14040, 14794, 14976, 15363, 16640, 17070, 17280, 18208, 18720, 20484, 22191, 22464, 22760, 24960, 25605, 27312, 28080, 29588, 29952, 30726, 34140, 34560, 36416, 36985, 37440, 40968, 44382, 44928, 45520, 49920, 51210, 54624, 56160, 59176, 61452, 66573, 68280, 72832, 73970, 74880, 76815, 81936, 88764, 89856, 91040, 102420, 109248, 110955, 112320, 118352, 122904, 133146, 136560, 145664, 147940, 149760, 153630, 163872, 177528, 182080, 199719, 204840, 218496, 221910, 224640, 236704, 245808, 266292, 273120, 295880, 307260, 327744, 332865, 355056, 364160, 399438, 409680, 436992, 443820, 449280, 473408, 491616, 532584, 546240, 591760, 614520, 655488, 665730, 710112, 728320, 798876, 819360, 887640, 946816, 983232, 998595, 1065168, 1092480, 1183520, 1229040, 1310976, 1331460, 1420224, 1597752, 1638720, 1775280, 1893632, 1966464, 1997190, 2130336, 2184960, 2367040, 2458080, 2662920, 2840448, 3195504, 3277440, 3550560, 3932928, 3994380, 4260672, 4734080, 4916160, 5325840, 5680896, 6391008, 6554880, 7101120, 7988760, 8521344, 9468160, 9832320, 10651680, 12782016, 14202240, 15977520, 17042688, 19664640, 21303360, 25564032, 28404480, 31955040, 42606720, 51128064, 63910080, 85213440, 127820160, 255640320]

約数ペア:

[(1, 255640320), (2, 127820160), (3, 85213440), (4, 63910080), (5, 51128064), (6, 42606720), (8, 31955040), (9, 28404480), (10, 25564032), (12, 21303360), (13, 19664640), (15, 17042688), (16, 15977520), (18, 14202240), (20, 12782016), (24, 10651680), (26, 9832320), (27, 9468160), (30, 8521344), (32, 7988760), (36, 7101120), (39, 6554880), (40, 6391008), (45, 5680896), (48, 5325840), (52, 4916160), (54, 4734080), (60, 4260672), (64, 3994380), (65, 3932928), (72, 3550560), (78, 3277440), (80, 3195504), (90, 2840448), (96, 2662920), (104, 2458080), (108, 2367040), (117, 2184960), (120, 2130336), (128, 1997190), (130, 1966464), (135, 1893632), (144, 1775280), (156, 1638720), (160, 1597752), (180, 1420224), (192, 1331460), (195, 1310976), (208, 1229040), (216, 1183520), (234, 1092480), (240, 1065168), (256, 998595), (260, 983232), (270, 946816), (288, 887640), (312, 819360), (320, 798876), (351, 728320), (360, 710112), (384, 665730), (390, 655488), (416, 614520), (432, 591760), (468, 546240), (480, 532584), (520, 491616), (540, 473408), (569, 449280), (576, 443820), (585, 436992), (624, 409680), (640, 399438), (702, 364160), (720, 355056), (768, 332865), (780, 327744), (832, 307260), (864, 295880), (936, 273120), (960, 266292), (1040, 245808), (1080, 236704), (1138, 224640), (1152, 221910), (1170, 218496), (1248, 204840), (1280, 199719), (1404, 182080), (1440, 177528), (1560, 163872), (1664, 153630), (1707, 149760), (1728, 147940), (1755, 145664), (1872, 136560), (1920, 133146), (2080, 122904), (2160, 118352), (2276, 112320), (2304, 110955), (2340, 109248), (2496, 102420), (2808, 91040), (2845, 89856), (2880, 88764), (3120, 81936), (3328, 76815), (3414, 74880), (3456, 73970), (3510, 72832), (3744, 68280), (3840, 66573), (4160, 61452), (4320, 59176), (4552, 56160), (4680, 54624), (4992, 51210), (5121, 49920), (5616, 45520), (5690, 44928), (5760, 44382), (6240, 40968), (6828, 37440), (6912, 36985), (7020, 36416), (7397, 34560), (7488, 34140), (8320, 30726), (8535, 29952), (8640, 29588), (9104, 28080), (9360, 27312), (9984, 25605), (10242, 24960), (11232, 22760), (11380, 22464), (11520, 22191), (12480, 20484), (13656, 18720), (14040, 18208), (14794, 17280), (14976, 17070), (15363, 16640)]