320475204

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 288

約数和(自身を含む): 1053445120

約数和(自身を除く): 732969916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 37, 38, 42, 54, 57, 63, 67, 74, 76, 81, 84, 108, 111, 114, 126, 133, 134, 148, 162, 171, 189, 201, 222, 228, 243, 252, 259, 266, 268, 324, 333, 342, 378, 399, 402, 444, 469, 486, 513, 518, 532, 567, 603, 666, 684, 703, 756, 777, 798, 804, 938, 972, 999, 1026, 1036, 1134, 1197, 1206, 1273, 1332, 1406, 1407, 1539, 1554, 1596, 1701, 1809, 1876, 1998, 2052, 2109, 2268, 2331, 2394, 2412, 2479, 2546, 2812, 2814, 2997, 3078, 3108, 3402, 3591, 3618, 3819, 3996, 4218, 4221, 4617, 4662, 4788, 4921, 4958, 5092, 5427, 5628, 5994, 6156, 6327, 6804, 6993, 7182, 7236, 7437, 7638, 8436, 8442, 8911, 8991, 9234, 9324, 9842, 9916, 10773, 10854, 11457, 11988, 12654, 12663, 13986, 14364, 14763, 14874, 15276, 16281, 16884, 17353, 17822, 17982, 18468, 18981, 19684, 20979, 21546, 21708, 22311, 22914, 25308, 25326, 26733, 27972, 29526, 29748, 32319, 32562, 34371, 34706, 35644, 35964, 37962, 37989, 41958, 43092, 44289, 44622, 45828, 47101, 50652, 52059, 53466, 56943, 59052, 62937, 64638, 65124, 66933, 68742, 69412, 75924, 75978, 80199, 83916, 88578, 89244, 94202, 103113, 104118, 106932, 113886, 113967, 125874, 129276, 132867, 133866, 137484, 141303, 151956, 156177, 160398, 170829, 177156, 188404, 200799, 206226, 208236, 227772, 227934, 240597, 251748, 265734, 267732, 282606, 309339, 312354, 320796, 329707, 341658, 398601, 401598, 412452, 423909, 455868, 468531, 481194, 531468, 565212, 602397, 618678, 624708, 659414, 683316, 721791, 797202, 803196, 847818, 937062, 962388, 989121, 1195803, 1204794, 1237356, 1271727, 1318828, 1405593, 1443582, 1594404, 1695636, 1874124, 1978242, 2165373, 2391606, 2409588, 2543454, 2811186, 2887164, 2967363, 3815181, 3956484, 4216779, 4330746, 4783212, 5086908, 5622372, 5934726, 7630362, 8433558, 8661492, 8902089, 11445543, 11869452, 15260724, 16867116, 17804178, 22891086, 26706267, 35608356, 45782172, 53412534, 80118801, 106825068, 160237602, 320475204]

約数ペア:

[(1, 320475204), (2, 160237602), (3, 106825068), (4, 80118801), (6, 53412534), (7, 45782172), (9, 35608356), (12, 26706267), (14, 22891086), (18, 17804178), (19, 16867116), (21, 15260724), (27, 11869452), (28, 11445543), (36, 8902089), (37, 8661492), (38, 8433558), (42, 7630362), (54, 5934726), (57, 5622372), (63, 5086908), (67, 4783212), (74, 4330746), (76, 4216779), (81, 3956484), (84, 3815181), (108, 2967363), (111, 2887164), (114, 2811186), (126, 2543454), (133, 2409588), (134, 2391606), (148, 2165373), (162, 1978242), (171, 1874124), (189, 1695636), (201, 1594404), (222, 1443582), (228, 1405593), (243, 1318828), (252, 1271727), (259, 1237356), (266, 1204794), (268, 1195803), (324, 989121), (333, 962388), (342, 937062), (378, 847818), (399, 803196), (402, 797202), (444, 721791), (469, 683316), (486, 659414), (513, 624708), (518, 618678), (532, 602397), (567, 565212), (603, 531468), (666, 481194), (684, 468531), (703, 455868), (756, 423909), (777, 412452), (798, 401598), (804, 398601), (938, 341658), (972, 329707), (999, 320796), (1026, 312354), (1036, 309339), (1134, 282606), (1197, 267732), (1206, 265734), (1273, 251748), (1332, 240597), (1406, 227934), (1407, 227772), (1539, 208236), (1554, 206226), (1596, 200799), (1701, 188404), (1809, 177156), (1876, 170829), (1998, 160398), (2052, 156177), (2109, 151956), (2268, 141303), (2331, 137484), (2394, 133866), (2412, 132867), (2479, 129276), (2546, 125874), (2812, 113967), (2814, 113886), (2997, 106932), (3078, 104118), (3108, 103113), (3402, 94202), (3591, 89244), (3618, 88578), (3819, 83916), (3996, 80199), (4218, 75978), (4221, 75924), (4617, 69412), (4662, 68742), (4788, 66933), (4921, 65124), (4958, 64638), (5092, 62937), (5427, 59052), (5628, 56943), (5994, 53466), (6156, 52059), (6327, 50652), (6804, 47101), (6993, 45828), (7182, 44622), (7236, 44289), (7437, 43092), (7638, 41958), (8436, 37989), (8442, 37962), (8911, 35964), (8991, 35644), (9234, 34706), (9324, 34371), (9842, 32562), (9916, 32319), (10773, 29748), (10854, 29526), (11457, 27972), (11988, 26733), (12654, 25326), (12663, 25308), (13986, 22914), (14364, 22311), (14763, 21708), (14874, 21546), (15276, 20979), (16281, 19684), (16884, 18981), (17353, 18468), (17822, 17982)]