1640894208

素因数分解:

$2^8\times 3^1\times {\mathrm{1223}}^1\times {\mathrm{1747}}^1$

素因数の和:2989

約数の個数: 72

約数和(自身を含む): 4373244288

約数和(自身を除く): 2732350080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 1223, 1747, 2446, 3494, 3669, 4892, 5241, 6988, 7338, 9784, 10482, 13976, 14676, 19568, 20964, 27952, 29352, 39136, 41928, 55904, 58704, 78272, 83856, 111808, 117408, 156544, 167712, 223616, 234816, 313088, 335424, 447232, 469632, 670848, 939264, 1341696, 2136581, 4273162, 6409743, 8546324, 12819486, 17092648, 25638972, 34185296, 51277944, 68370592, 102555888, 136741184, 205111776, 273482368, 410223552, 546964736, 820447104, 1640894208]

約数ペア:

[(1, 1640894208), (2, 820447104), (3, 546964736), (4, 410223552), (6, 273482368), (8, 205111776), (12, 136741184), (16, 102555888), (24, 68370592), (32, 51277944), (48, 34185296), (64, 25638972), (96, 17092648), (128, 12819486), (192, 8546324), (256, 6409743), (384, 4273162), (768, 2136581), (1223, 1341696), (1747, 939264), (2446, 670848), (3494, 469632), (3669, 447232), (4892, 335424), (5241, 313088), (6988, 234816), (7338, 223616), (9784, 167712), (10482, 156544), (13976, 117408), (14676, 111808), (19568, 83856), (20964, 78272), (27952, 58704), (29352, 55904), (39136, 41928)]