81280512

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:624

約数の個数: 120

約数和(自身を含む): 242573760

約数和(自身を除く): 161293248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 569, 576, 744, 768, 992, 1116, 1138, 1152, 1488, 1536, 1707, 1984, 2232, 2276, 2304, 2976, 3414, 3968, 4464, 4552, 4608, 5121, 5952, 6828, 7936, 8928, 9104, 10242, 11904, 13656, 15872, 17639, 17856, 18208, 20484, 23808, 27312, 35278, 35712, 36416, 40968, 47616, 52917, 54624, 70556, 71424, 72832, 81936, 105834, 109248, 141112, 142848, 145664, 158751, 163872, 211668, 218496, 282224, 291328, 317502, 327744, 423336, 436992, 564448, 635004, 655488, 846672, 873984, 1128896, 1270008, 1310976, 1693344, 2257792, 2540016, 2621952, 3386688, 4515584, 5080032, 6773376, 9031168, 10160064, 13546752, 20320128, 27093504, 40640256, 81280512]

約数ペア:

[(1, 81280512), (2, 40640256), (3, 27093504), (4, 20320128), (6, 13546752), (8, 10160064), (9, 9031168), (12, 6773376), (16, 5080032), (18, 4515584), (24, 3386688), (31, 2621952), (32, 2540016), (36, 2257792), (48, 1693344), (62, 1310976), (64, 1270008), (72, 1128896), (93, 873984), (96, 846672), (124, 655488), (128, 635004), (144, 564448), (186, 436992), (192, 423336), (248, 327744), (256, 317502), (279, 291328), (288, 282224), (372, 218496), (384, 211668), (496, 163872), (512, 158751), (558, 145664), (569, 142848), (576, 141112), (744, 109248), (768, 105834), (992, 81936), (1116, 72832), (1138, 71424), (1152, 70556), (1488, 54624), (1536, 52917), (1707, 47616), (1984, 40968), (2232, 36416), (2276, 35712), (2304, 35278), (2976, 27312), (3414, 23808), (3968, 20484), (4464, 18208), (4552, 17856), (4608, 17639), (5121, 15872), (5952, 13656), (6828, 11904), (7936, 10242), (8928, 9104)]