320815404

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 288

約数和(自身を含む): 1075630080

約数和(自身を除く): 754814676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 78, 81, 84, 91, 93, 108, 117, 124, 126, 156, 162, 169, 182, 186, 189, 217, 234, 243, 252, 273, 279, 324, 338, 351, 364, 372, 378, 403, 434, 468, 486, 507, 546, 558, 567, 651, 676, 702, 729, 756, 806, 819, 837, 868, 972, 1014, 1053, 1092, 1116, 1134, 1183, 1209, 1302, 1404, 1458, 1521, 1612, 1638, 1674, 1701, 1953, 2028, 2106, 2187, 2268, 2366, 2418, 2457, 2511, 2604, 2821, 2916, 3042, 3159, 3276, 3348, 3402, 3549, 3627, 3906, 4212, 4374, 4563, 4732, 4836, 4914, 5022, 5103, 5239, 5642, 5859, 6084, 6318, 6804, 7098, 7254, 7371, 7533, 7812, 8463, 8748, 9126, 9477, 9828, 10044, 10206, 10478, 10647, 10881, 11284, 11718, 12636, 13689, 14196, 14508, 14742, 15066, 15309, 15717, 16926, 17577, 18252, 18954, 20412, 20956, 21294, 21762, 22113, 22599, 23436, 25389, 27378, 28431, 29484, 30132, 30618, 31434, 31941, 32643, 33852, 35154, 36673, 37908, 41067, 42588, 43524, 44226, 45198, 47151, 50778, 52731, 54756, 56862, 61236, 62868, 63882, 65286, 66339, 67797, 70308, 73346, 76167, 82134, 88452, 90396, 94302, 95823, 97929, 101556, 105462, 110019, 113724, 123201, 127764, 130572, 132678, 135594, 141453, 146692, 152334, 158193, 164268, 188604, 191646, 195858, 199017, 210924, 220038, 228501, 246402, 265356, 271188, 282906, 287469, 293787, 304668, 316386, 330057, 369603, 383292, 391716, 398034, 424359, 440076, 457002, 474579, 492804, 565812, 574938, 587574, 632772, 660114, 685503, 739206, 796068, 848718, 862407, 881361, 914004, 949158, 990171, 1149876, 1175148, 1273077, 1320228, 1371006, 1478412, 1697436, 1724814, 1762722, 1898316, 1980342, 2056509, 2546154, 2587221, 2742012, 2970513, 3449628, 3525444, 3819231, 3960684, 4113018, 5092308, 5174442, 5941026, 6169527, 7638462, 8226036, 8911539, 10348884, 11457693, 11882052, 12339054, 15276924, 17823078, 22915386, 24678108, 26734617, 35646156, 45830772, 53469234, 80203851, 106938468, 160407702, 320815404]

約数ペア:

[(1, 320815404), (2, 160407702), (3, 106938468), (4, 80203851), (6, 53469234), (7, 45830772), (9, 35646156), (12, 26734617), (13, 24678108), (14, 22915386), (18, 17823078), (21, 15276924), (26, 12339054), (27, 11882052), (28, 11457693), (31, 10348884), (36, 8911539), (39, 8226036), (42, 7638462), (52, 6169527), (54, 5941026), (62, 5174442), (63, 5092308), (78, 4113018), (81, 3960684), (84, 3819231), (91, 3525444), (93, 3449628), (108, 2970513), (117, 2742012), (124, 2587221), (126, 2546154), (156, 2056509), (162, 1980342), (169, 1898316), (182, 1762722), (186, 1724814), (189, 1697436), (217, 1478412), (234, 1371006), (243, 1320228), (252, 1273077), (273, 1175148), (279, 1149876), (324, 990171), (338, 949158), (351, 914004), (364, 881361), (372, 862407), (378, 848718), (403, 796068), (434, 739206), (468, 685503), (486, 660114), (507, 632772), (546, 587574), (558, 574938), (567, 565812), (651, 492804), (676, 474579), (702, 457002), (729, 440076), (756, 424359), (806, 398034), (819, 391716), (837, 383292), (868, 369603), (972, 330057), (1014, 316386), (1053, 304668), (1092, 293787), (1116, 287469), (1134, 282906), (1183, 271188), (1209, 265356), (1302, 246402), (1404, 228501), (1458, 220038), (1521, 210924), (1612, 199017), (1638, 195858), (1674, 191646), (1701, 188604), (1953, 164268), (2028, 158193), (2106, 152334), (2187, 146692), (2268, 141453), (2366, 135594), (2418, 132678), (2457, 130572), (2511, 127764), (2604, 123201), (2821, 113724), (2916, 110019), (3042, 105462), (3159, 101556), (3276, 97929), (3348, 95823), (3402, 94302), (3549, 90396), (3627, 88452), (3906, 82134), (4212, 76167), (4374, 73346), (4563, 70308), (4732, 67797), (4836, 66339), (4914, 65286), (5022, 63882), (5103, 62868), (5239, 61236), (5642, 56862), (5859, 54756), (6084, 52731), (6318, 50778), (6804, 47151), (7098, 45198), (7254, 44226), (7371, 43524), (7533, 42588), (7812, 41067), (8463, 37908), (8748, 36673), (9126, 35154), (9477, 33852), (9828, 32643), (10044, 31941), (10206, 31434), (10478, 30618), (10647, 30132), (10881, 29484), (11284, 28431), (11718, 27378), (12636, 25389), (13689, 23436), (14196, 22599), (14508, 22113), (14742, 21762), (15066, 21294), (15309, 20956), (15717, 20412), (16926, 18954), (17577, 18252)]