720565488

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 180

約数和(自身を含む): 2151362304

約数和(自身を除く): 1430796816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 41, 48, 62, 72, 82, 93, 123, 124, 127, 144, 164, 186, 246, 248, 254, 279, 328, 369, 372, 381, 492, 496, 508, 558, 656, 738, 744, 762, 961, 984, 1016, 1116, 1143, 1271, 1476, 1488, 1524, 1922, 1968, 2032, 2232, 2286, 2542, 2883, 2952, 3048, 3813, 3844, 3937, 4464, 4572, 5084, 5207, 5766, 5904, 6096, 7626, 7688, 7874, 8649, 9144, 10168, 10414, 11439, 11532, 11811, 15252, 15376, 15621, 15748, 17298, 18288, 20336, 20828, 22878, 23064, 23622, 30504, 31242, 31496, 34596, 35433, 39401, 41656, 45756, 46128, 46863, 47244, 61008, 62484, 62992, 69192, 70866, 78802, 83312, 91512, 93726, 94488, 118203, 122047, 124968, 138384, 141732, 157604, 161417, 183024, 187452, 188976, 236406, 244094, 249936, 283464, 315208, 322834, 354609, 366141, 374904, 472812, 484251, 488188, 566928, 630416, 645668, 709218, 732282, 749808, 945624, 968502, 976376, 1098423, 1291336, 1418436, 1452753, 1464564, 1891248, 1937004, 1952752, 2196846, 2582672, 2836872, 2905506, 2929128, 3874008, 4393692, 5003927, 5673744, 5811012, 5858256, 7748016, 8787384, 10007854, 11622024, 15011781, 17574768, 20015708, 23244048, 30023562, 40031416, 45035343, 60047124, 80062832, 90070686, 120094248, 180141372, 240188496, 360282744, 720565488]

約数ペア:

[(1, 720565488), (2, 360282744), (3, 240188496), (4, 180141372), (6, 120094248), (8, 90070686), (9, 80062832), (12, 60047124), (16, 45035343), (18, 40031416), (24, 30023562), (31, 23244048), (36, 20015708), (41, 17574768), (48, 15011781), (62, 11622024), (72, 10007854), (82, 8787384), (93, 7748016), (123, 5858256), (124, 5811012), (127, 5673744), (144, 5003927), (164, 4393692), (186, 3874008), (246, 2929128), (248, 2905506), (254, 2836872), (279, 2582672), (328, 2196846), (369, 1952752), (372, 1937004), (381, 1891248), (492, 1464564), (496, 1452753), (508, 1418436), (558, 1291336), (656, 1098423), (738, 976376), (744, 968502), (762, 945624), (961, 749808), (984, 732282), (1016, 709218), (1116, 645668), (1143, 630416), (1271, 566928), (1476, 488188), (1488, 484251), (1524, 472812), (1922, 374904), (1968, 366141), (2032, 354609), (2232, 322834), (2286, 315208), (2542, 283464), (2883, 249936), (2952, 244094), (3048, 236406), (3813, 188976), (3844, 187452), (3937, 183024), (4464, 161417), (4572, 157604), (5084, 141732), (5207, 138384), (5766, 124968), (5904, 122047), (6096, 118203), (7626, 94488), (7688, 93726), (7874, 91512), (8649, 83312), (9144, 78802), (10168, 70866), (10414, 69192), (11439, 62992), (11532, 62484), (11811, 61008), (15252, 47244), (15376, 46863), (15621, 46128), (15748, 45756), (17298, 41656), (18288, 39401), (20336, 35433), (20828, 34596), (22878, 31496), (23064, 31242), (23622, 30504)]