661789440

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 360

約数和(自身を含む): 2555351568

約数和(自身を除く): 1893562128

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, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 491, 520, 540, 576, 585, 624, 640, 648, 702, 720, 768, 780, 810, 832, 864, 936, 960, 982, 1040, 1053, 1080, 1152, 1170, 1248, 1280, 1296, 1404, 1440, 1473, 1560, 1620, 1664, 1728, 1755, 1872, 1920, 1964, 2080, 2106, 2160, 2304, 2340, 2455, 2496, 2592, 2808, 2880, 2946, 3120, 3240, 3328, 3456, 3510, 3744, 3840, 3928, 4160, 4212, 4320, 4419, 4680, 4910, 4992, 5184, 5265, 5616, 5760, 5892, 6240, 6383, 6480, 6912, 7020, 7365, 7488, 7856, 8320, 8424, 8640, 8838, 9360, 9820, 9984, 10368, 10530, 11232, 11520, 11784, 12480, 12766, 12960, 13257, 14040, 14730, 14976, 15712, 16640, 16848, 17280, 17676, 18720, 19149, 19640, 20736, 21060, 22095, 22464, 23568, 24960, 25532, 25920, 26514, 28080, 29460, 29952, 31424, 31915, 33696, 34560, 35352, 37440, 38298, 39280, 39771, 42120, 44190, 44928, 47136, 49920, 51064, 51840, 53028, 56160, 57447, 58920, 62848, 63830, 66285, 67392, 70704, 74880, 76596, 78560, 79542, 84240, 88380, 89856, 94272, 95745, 102128, 103680, 106056, 112320, 114894, 117840, 125696, 127660, 132570, 134784, 141408, 149760, 153192, 157120, 159084, 168480, 172341, 176760, 188544, 191490, 198855, 204256, 212112, 224640, 229788, 235680, 255320, 265140, 269568, 282816, 287235, 306384, 314240, 318168, 336960, 344682, 353520, 377088, 382980, 397710, 408512, 424224, 449280, 459576, 471360, 510640, 517023, 530280, 565632, 574470, 612768, 628480, 636336, 673920, 689364, 707040, 765960, 795420, 817024, 848448, 861705, 919152, 942720, 1021280, 1034046, 1060560, 1131264, 1148940, 1225536, 1272672, 1347840, 1378728, 1414080, 1531920, 1590840, 1634048, 1696896, 1723410, 1838304, 1885440, 2042560, 2068092, 2121120, 2297880, 2451072, 2545344, 2585115, 2757456, 2828160, 3063840, 3181680, 3393792, 3446820, 3676608, 4085120, 4136184, 4242240, 4595760, 4902144, 5090688, 5170230, 5514912, 5656320, 6127680, 6363360, 6893640, 7353216, 8170240, 8272368, 8484480, 9191520, 10181376, 10340460, 11029824, 12255360, 12726720, 13787280, 14706432, 16544736, 16968960, 18383040, 20680920, 22059648, 24510720, 25453440, 27574560, 33089472, 36766080, 41361840, 44119296, 50906880, 55149120, 66178944, 73532160, 82723680, 110298240, 132357888, 165447360, 220596480, 330894720, 661789440]

約数ペア:

[(1, 661789440), (2, 330894720), (3, 220596480), (4, 165447360), (5, 132357888), (6, 110298240), (8, 82723680), (9, 73532160), (10, 66178944), (12, 55149120), (13, 50906880), (15, 44119296), (16, 41361840), (18, 36766080), (20, 33089472), (24, 27574560), (26, 25453440), (27, 24510720), (30, 22059648), (32, 20680920), (36, 18383040), (39, 16968960), (40, 16544736), (45, 14706432), (48, 13787280), (52, 12726720), (54, 12255360), (60, 11029824), (64, 10340460), (65, 10181376), (72, 9191520), (78, 8484480), (80, 8272368), (81, 8170240), (90, 7353216), (96, 6893640), (104, 6363360), (108, 6127680), (117, 5656320), (120, 5514912), (128, 5170230), (130, 5090688), (135, 4902144), (144, 4595760), (156, 4242240), (160, 4136184), (162, 4085120), (180, 3676608), (192, 3446820), (195, 3393792), (208, 3181680), (216, 3063840), (234, 2828160), (240, 2757456), (256, 2585115), (260, 2545344), (270, 2451072), (288, 2297880), (312, 2121120), (320, 2068092), (324, 2042560), (351, 1885440), (360, 1838304), (384, 1723410), (390, 1696896), (405, 1634048), (416, 1590840), (432, 1531920), (468, 1414080), (480, 1378728), (491, 1347840), (520, 1272672), (540, 1225536), (576, 1148940), (585, 1131264), (624, 1060560), (640, 1034046), (648, 1021280), (702, 942720), (720, 919152), (768, 861705), (780, 848448), (810, 817024), (832, 795420), (864, 765960), (936, 707040), (960, 689364), (982, 673920), (1040, 636336), (1053, 628480), (1080, 612768), (1152, 574470), (1170, 565632), (1248, 530280), (1280, 517023), (1296, 510640), (1404, 471360), (1440, 459576), (1473, 449280), (1560, 424224), (1620, 408512), (1664, 397710), (1728, 382980), (1755, 377088), (1872, 353520), (1920, 344682), (1964, 336960), (2080, 318168), (2106, 314240), (2160, 306384), (2304, 287235), (2340, 282816), (2455, 269568), (2496, 265140), (2592, 255320), (2808, 235680), (2880, 229788), (2946, 224640), (3120, 212112), (3240, 204256), (3328, 198855), (3456, 191490), (3510, 188544), (3744, 176760), (3840, 172341), (3928, 168480), (4160, 159084), (4212, 157120), (4320, 153192), (4419, 149760), (4680, 141408), (4910, 134784), (4992, 132570), (5184, 127660), (5265, 125696), (5616, 117840), (5760, 114894), (5892, 112320), (6240, 106056), (6383, 103680), (6480, 102128), (6912, 95745), (7020, 94272), (7365, 89856), (7488, 88380), (7856, 84240), (8320, 79542), (8424, 78560), (8640, 76596), (8838, 74880), (9360, 70704), (9820, 67392), (9984, 66285), (10368, 63830), (10530, 62848), (11232, 58920), (11520, 57447), (11784, 56160), (12480, 53028), (12766, 51840), (12960, 51064), (13257, 49920), (14040, 47136), (14730, 44928), (14976, 44190), (15712, 42120), (16640, 39771), (16848, 39280), (17280, 38298), (17676, 37440), (18720, 35352), (19149, 34560), (19640, 33696), (20736, 31915), (21060, 31424), (22095, 29952), (22464, 29460), (23568, 28080), (24960, 26514), (25532, 25920)]