720908032

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:938

約数の個数: 108

約数和(自身を含む): 1642088280

約数和(自身を除く): 921180248

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 169, 208, 247, 256, 304, 338, 416, 494, 608, 676, 832, 877, 988, 1216, 1352, 1664, 1754, 1976, 2432, 2704, 3211, 3328, 3508, 3952, 4864, 5408, 6422, 7016, 7904, 10816, 11401, 12844, 14032, 15808, 16663, 21632, 22802, 25688, 28064, 31616, 33326, 43264, 45604, 51376, 56128, 63232, 66652, 91208, 102752, 112256, 133304, 148213, 182416, 205504, 216619, 224512, 266608, 296426, 364832, 411008, 433238, 533216, 592852, 729664, 822016, 866476, 1066432, 1185704, 1459328, 1732952, 2132864, 2371408, 2816047, 2918656, 3465904, 4265728, 4742816, 5632094, 6931808, 9485632, 11264188, 13863616, 18971264, 22528376, 27727232, 37942528, 45056752, 55454464, 90113504, 180227008, 360454016, 720908032]

約数ペア:

[(1, 720908032), (2, 360454016), (4, 180227008), (8, 90113504), (13, 55454464), (16, 45056752), (19, 37942528), (26, 27727232), (32, 22528376), (38, 18971264), (52, 13863616), (64, 11264188), (76, 9485632), (104, 6931808), (128, 5632094), (152, 4742816), (169, 4265728), (208, 3465904), (247, 2918656), (256, 2816047), (304, 2371408), (338, 2132864), (416, 1732952), (494, 1459328), (608, 1185704), (676, 1066432), (832, 866476), (877, 822016), (988, 729664), (1216, 592852), (1352, 533216), (1664, 433238), (1754, 411008), (1976, 364832), (2432, 296426), (2704, 266608), (3211, 224512), (3328, 216619), (3508, 205504), (3952, 182416), (4864, 148213), (5408, 133304), (6422, 112256), (7016, 102752), (7904, 91208), (10816, 66652), (11401, 63232), (12844, 56128), (14032, 51376), (15808, 45604), (16663, 43264), (21632, 33326), (22802, 31616), (25688, 28064)]