645976512

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 168

約数和(自身を含む): 1967331600

約数和(自身を除く): 1321355088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 389, 432, 496, 558, 576, 744, 778, 837, 864, 961, 992, 1116, 1167, 1488, 1556, 1674, 1728, 1922, 1984, 2232, 2334, 2883, 2976, 3112, 3348, 3501, 3844, 4464, 4668, 5766, 5952, 6224, 6696, 7002, 7688, 8649, 8928, 9336, 10503, 11532, 12059, 12448, 13392, 14004, 15376, 17298, 17856, 18672, 21006, 23064, 24118, 24896, 25947, 26784, 28008, 30752, 34596, 36177, 37344, 42012, 46128, 48236, 51894, 53568, 56016, 61504, 69192, 72354, 74688, 84024, 92256, 96472, 103788, 108531, 112032, 138384, 144708, 168048, 184512, 192944, 207576, 217062, 224064, 276768, 289416, 325593, 336096, 373829, 385888, 415152, 434124, 553536, 578832, 651186, 672192, 747658, 771776, 830304, 868248, 1121487, 1157664, 1302372, 1495316, 1660608, 1736496, 2242974, 2315328, 2604744, 2990632, 3364461, 3472992, 4485948, 5209488, 5981264, 6728922, 6945984, 8971896, 10093383, 10418976, 11962528, 13457844, 17943792, 20186766, 20837952, 23925056, 26915688, 35887584, 40373532, 53831376, 71775168, 80747064, 107662752, 161494128, 215325504, 322988256, 645976512]

約数ペア:

[(1, 645976512), (2, 322988256), (3, 215325504), (4, 161494128), (6, 107662752), (8, 80747064), (9, 71775168), (12, 53831376), (16, 40373532), (18, 35887584), (24, 26915688), (27, 23925056), (31, 20837952), (32, 20186766), (36, 17943792), (48, 13457844), (54, 11962528), (62, 10418976), (64, 10093383), (72, 8971896), (93, 6945984), (96, 6728922), (108, 5981264), (124, 5209488), (144, 4485948), (186, 3472992), (192, 3364461), (216, 2990632), (248, 2604744), (279, 2315328), (288, 2242974), (372, 1736496), (389, 1660608), (432, 1495316), (496, 1302372), (558, 1157664), (576, 1121487), (744, 868248), (778, 830304), (837, 771776), (864, 747658), (961, 672192), (992, 651186), (1116, 578832), (1167, 553536), (1488, 434124), (1556, 415152), (1674, 385888), (1728, 373829), (1922, 336096), (1984, 325593), (2232, 289416), (2334, 276768), (2883, 224064), (2976, 217062), (3112, 207576), (3348, 192944), (3501, 184512), (3844, 168048), (4464, 144708), (4668, 138384), (5766, 112032), (5952, 108531), (6224, 103788), (6696, 96472), (7002, 92256), (7688, 84024), (8649, 74688), (8928, 72354), (9336, 69192), (10503, 61504), (11532, 56016), (12059, 53568), (12448, 51894), (13392, 48236), (14004, 46128), (15376, 42012), (17298, 37344), (17856, 36177), (18672, 34596), (21006, 30752), (23064, 28008), (24118, 26784), (24896, 25947)]