28481544

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 288

約数和(自身を含む): 104569920

約数和(自身を除く): 76088376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 27, 28, 36, 39, 42, 46, 49, 52, 54, 56, 63, 69, 72, 78, 81, 84, 91, 92, 98, 104, 108, 117, 126, 138, 147, 156, 161, 162, 168, 182, 184, 189, 196, 207, 216, 234, 243, 252, 273, 276, 294, 299, 312, 322, 324, 351, 364, 378, 392, 414, 441, 468, 483, 486, 504, 546, 552, 567, 588, 598, 621, 637, 644, 648, 702, 728, 756, 819, 828, 882, 897, 936, 966, 972, 1053, 1092, 1127, 1134, 1176, 1196, 1242, 1274, 1288, 1323, 1404, 1449, 1512, 1638, 1656, 1701, 1764, 1794, 1863, 1911, 1932, 1944, 2093, 2106, 2184, 2254, 2268, 2392, 2457, 2484, 2548, 2646, 2691, 2808, 2898, 3159, 3276, 3381, 3402, 3528, 3588, 3726, 3822, 3864, 3969, 4186, 4212, 4347, 4508, 4536, 4914, 4968, 5096, 5292, 5382, 5589, 5733, 5796, 6279, 6318, 6552, 6762, 6804, 7176, 7371, 7452, 7644, 7938, 8073, 8372, 8424, 8694, 9016, 9828, 10143, 10584, 10764, 11178, 11466, 11592, 11907, 12558, 12636, 13041, 13524, 13608, 14651, 14742, 14904, 15288, 15876, 16146, 16744, 17199, 17388, 18837, 19656, 20286, 21528, 22113, 22356, 22932, 23814, 24219, 25116, 25272, 26082, 27048, 29302, 29484, 30429, 31752, 32292, 34398, 34776, 37674, 39123, 40572, 43953, 44226, 44712, 45864, 47628, 48438, 50232, 51597, 52164, 56511, 58604, 58968, 60858, 64584, 68796, 72657, 75348, 78246, 81144, 87906, 88452, 91287, 95256, 96876, 103194, 104328, 113022, 117208, 121716, 131859, 137592, 145314, 150696, 154791, 156492, 169533, 175812, 176904, 182574, 193752, 206388, 226044, 243432, 263718, 273861, 290628, 309582, 312984, 339066, 351624, 365148, 395577, 412776, 452088, 508599, 527436, 547722, 581256, 619164, 678132, 730296, 791154, 1017198, 1054872, 1095444, 1186731, 1238328, 1356264, 1582308, 2034396, 2190888, 2373462, 3164616, 3560193, 4068792, 4746924, 7120386, 9493848, 14240772, 28481544]

約数ペア:

[(1, 28481544), (2, 14240772), (3, 9493848), (4, 7120386), (6, 4746924), (7, 4068792), (8, 3560193), (9, 3164616), (12, 2373462), (13, 2190888), (14, 2034396), (18, 1582308), (21, 1356264), (23, 1238328), (24, 1186731), (26, 1095444), (27, 1054872), (28, 1017198), (36, 791154), (39, 730296), (42, 678132), (46, 619164), (49, 581256), (52, 547722), (54, 527436), (56, 508599), (63, 452088), (69, 412776), (72, 395577), (78, 365148), (81, 351624), (84, 339066), (91, 312984), (92, 309582), (98, 290628), (104, 273861), (108, 263718), (117, 243432), (126, 226044), (138, 206388), (147, 193752), (156, 182574), (161, 176904), (162, 175812), (168, 169533), (182, 156492), (184, 154791), (189, 150696), (196, 145314), (207, 137592), (216, 131859), (234, 121716), (243, 117208), (252, 113022), (273, 104328), (276, 103194), (294, 96876), (299, 95256), (312, 91287), (322, 88452), (324, 87906), (351, 81144), (364, 78246), (378, 75348), (392, 72657), (414, 68796), (441, 64584), (468, 60858), (483, 58968), (486, 58604), (504, 56511), (546, 52164), (552, 51597), (567, 50232), (588, 48438), (598, 47628), (621, 45864), (637, 44712), (644, 44226), (648, 43953), (702, 40572), (728, 39123), (756, 37674), (819, 34776), (828, 34398), (882, 32292), (897, 31752), (936, 30429), (966, 29484), (972, 29302), (1053, 27048), (1092, 26082), (1127, 25272), (1134, 25116), (1176, 24219), (1196, 23814), (1242, 22932), (1274, 22356), (1288, 22113), (1323, 21528), (1404, 20286), (1449, 19656), (1512, 18837), (1638, 17388), (1656, 17199), (1701, 16744), (1764, 16146), (1794, 15876), (1863, 15288), (1911, 14904), (1932, 14742), (1944, 14651), (2093, 13608), (2106, 13524), (2184, 13041), (2254, 12636), (2268, 12558), (2392, 11907), (2457, 11592), (2484, 11466), (2548, 11178), (2646, 10764), (2691, 10584), (2808, 10143), (2898, 9828), (3159, 9016), (3276, 8694), (3381, 8424), (3402, 8372), (3528, 8073), (3588, 7938), (3726, 7644), (3822, 7452), (3864, 7371), (3969, 7176), (4186, 6804), (4212, 6762), (4347, 6552), (4508, 6318), (4536, 6279), (4914, 5796), (4968, 5733), (5096, 5589), (5292, 5382)]