641506560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 288

約数和(自身を含む): 2246372352

約数和(自身を除く): 1604865792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 256, 272, 310, 317, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 634, 640, 680, 744, 768, 816, 930, 951, 960, 992, 1020, 1054, 1088, 1240, 1268, 1280, 1360, 1488, 1581, 1585, 1632, 1860, 1902, 1920, 1984, 2040, 2108, 2176, 2480, 2536, 2635, 2720, 2976, 3162, 3170, 3264, 3720, 3804, 3840, 3968, 4080, 4216, 4352, 4755, 4960, 5072, 5270, 5389, 5440, 5952, 6324, 6340, 6528, 7440, 7608, 7905, 7936, 8160, 8432, 9510, 9827, 9920, 10144, 10540, 10778, 10880, 11904, 12648, 12680, 13056, 14880, 15216, 15810, 16167, 16320, 16864, 19020, 19654, 19840, 20288, 21080, 21556, 21760, 23808, 25296, 25360, 26945, 29481, 29760, 30432, 31620, 32334, 32640, 33728, 38040, 39308, 39680, 40576, 42160, 43112, 49135, 50592, 50720, 53890, 58962, 59520, 60864, 63240, 64668, 65280, 67456, 76080, 78616, 80835, 81152, 84320, 86224, 98270, 101184, 101440, 107780, 117924, 119040, 121728, 126480, 129336, 134912, 147405, 152160, 157232, 161670, 167059, 168640, 172448, 196540, 202368, 202880, 215560, 235848, 243456, 252960, 258672, 294810, 304320, 314464, 323340, 334118, 337280, 344896, 393080, 404736, 405760, 431120, 471696, 501177, 505920, 517344, 589620, 608640, 628928, 646680, 668236, 674560, 689792, 786160, 835295, 862240, 943392, 1002354, 1011840, 1034688, 1179240, 1217280, 1257856, 1293360, 1336472, 1379584, 1572320, 1670590, 1724480, 1886784, 2004708, 2023680, 2069376, 2358480, 2505885, 2515712, 2586720, 2672944, 3144640, 3341180, 3448960, 3773568, 4009416, 4138752, 4716960, 5011770, 5173440, 5345888, 6289280, 6682360, 6897920, 7547136, 8018832, 9433920, 10023540, 10346880, 10691776, 12578560, 13364720, 16037664, 18867840, 20047080, 20693760, 21383552, 26729440, 32075328, 37735680, 40094160, 42767104, 53458880, 64150656, 80188320, 106917760, 128301312, 160376640, 213835520, 320753280, 641506560]

約数ペア:

[(1, 641506560), (2, 320753280), (3, 213835520), (4, 160376640), (5, 128301312), (6, 106917760), (8, 80188320), (10, 64150656), (12, 53458880), (15, 42767104), (16, 40094160), (17, 37735680), (20, 32075328), (24, 26729440), (30, 21383552), (31, 20693760), (32, 20047080), (34, 18867840), (40, 16037664), (48, 13364720), (51, 12578560), (60, 10691776), (62, 10346880), (64, 10023540), (68, 9433920), (80, 8018832), (85, 7547136), (93, 6897920), (96, 6682360), (102, 6289280), (120, 5345888), (124, 5173440), (128, 5011770), (136, 4716960), (155, 4138752), (160, 4009416), (170, 3773568), (186, 3448960), (192, 3341180), (204, 3144640), (240, 2672944), (248, 2586720), (255, 2515712), (256, 2505885), (272, 2358480), (310, 2069376), (317, 2023680), (320, 2004708), (340, 1886784), (372, 1724480), (384, 1670590), (408, 1572320), (465, 1379584), (480, 1336472), (496, 1293360), (510, 1257856), (527, 1217280), (544, 1179240), (620, 1034688), (634, 1011840), (640, 1002354), (680, 943392), (744, 862240), (768, 835295), (816, 786160), (930, 689792), (951, 674560), (960, 668236), (992, 646680), (1020, 628928), (1054, 608640), (1088, 589620), (1240, 517344), (1268, 505920), (1280, 501177), (1360, 471696), (1488, 431120), (1581, 405760), (1585, 404736), (1632, 393080), (1860, 344896), (1902, 337280), (1920, 334118), (1984, 323340), (2040, 314464), (2108, 304320), (2176, 294810), (2480, 258672), (2536, 252960), (2635, 243456), (2720, 235848), (2976, 215560), (3162, 202880), (3170, 202368), (3264, 196540), (3720, 172448), (3804, 168640), (3840, 167059), (3968, 161670), (4080, 157232), (4216, 152160), (4352, 147405), (4755, 134912), (4960, 129336), (5072, 126480), (5270, 121728), (5389, 119040), (5440, 117924), (5952, 107780), (6324, 101440), (6340, 101184), (6528, 98270), (7440, 86224), (7608, 84320), (7905, 81152), (7936, 80835), (8160, 78616), (8432, 76080), (9510, 67456), (9827, 65280), (9920, 64668), (10144, 63240), (10540, 60864), (10778, 59520), (10880, 58962), (11904, 53890), (12648, 50720), (12680, 50592), (13056, 49135), (14880, 43112), (15216, 42160), (15810, 40576), (16167, 39680), (16320, 39308), (16864, 38040), (19020, 33728), (19654, 32640), (19840, 32334), (20288, 31620), (21080, 30432), (21556, 29760), (21760, 29481), (23808, 26945), (25296, 25360)]