320753280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 256

約数和(自身を含む): 1120988160

約数和(自身を除く): 800234880

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, 272, 310, 317, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 634, 640, 680, 744, 816, 930, 951, 960, 992, 1020, 1054, 1088, 1240, 1268, 1360, 1488, 1581, 1585, 1632, 1860, 1902, 1920, 1984, 2040, 2108, 2176, 2480, 2536, 2635, 2720, 2976, 3162, 3170, 3264, 3720, 3804, 3968, 4080, 4216, 4755, 4960, 5072, 5270, 5389, 5440, 5952, 6324, 6340, 6528, 7440, 7608, 7905, 8160, 8432, 9510, 9827, 9920, 10144, 10540, 10778, 10880, 11904, 12648, 12680, 14880, 15216, 15810, 16167, 16320, 16864, 19020, 19654, 19840, 20288, 21080, 21556, 25296, 25360, 26945, 29481, 29760, 30432, 31620, 32334, 32640, 33728, 38040, 39308, 40576, 42160, 43112, 49135, 50592, 50720, 53890, 58962, 59520, 60864, 63240, 64668, 67456, 76080, 78616, 80835, 84320, 86224, 98270, 101184, 101440, 107780, 117924, 121728, 126480, 129336, 147405, 152160, 157232, 161670, 167059, 168640, 172448, 196540, 202368, 202880, 215560, 235848, 252960, 258672, 294810, 304320, 314464, 323340, 334118, 337280, 344896, 393080, 431120, 471696, 501177, 505920, 517344, 589620, 608640, 628928, 646680, 668236, 689792, 786160, 835295, 862240, 943392, 1002354, 1011840, 1034688, 1179240, 1257856, 1293360, 1336472, 1572320, 1670590, 1724480, 1886784, 2004708, 2069376, 2358480, 2505885, 2586720, 2672944, 3144640, 3341180, 3448960, 3773568, 4009416, 4716960, 5011770, 5173440, 5345888, 6289280, 6682360, 8018832, 9433920, 10023540, 10346880, 10691776, 13364720, 16037664, 18867840, 20047080, 21383552, 26729440, 32075328, 40094160, 53458880, 64150656, 80188320, 106917760, 160376640, 320753280]

約数ペア:

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