640987392

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12457}}^1$

素因数の和:12543

約数の個数: 72

約数和(自身を含む): 1731562336

約数和(自身を除く): 1090574944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 402, 536, 768, 804, 1072, 1608, 2144, 3216, 4288, 6432, 8576, 12457, 12864, 17152, 24914, 25728, 37371, 49828, 51456, 74742, 99656, 149484, 199312, 298968, 398624, 597936, 797248, 834619, 1195872, 1594496, 1669238, 2391744, 2503857, 3188992, 3338476, 4783488, 5007714, 6676952, 9566976, 10015428, 13353904, 20030856, 26707808, 40061712, 53415616, 80123424, 106831232, 160246848, 213662464, 320493696, 640987392]

約数ペア:

[(1, 640987392), (2, 320493696), (3, 213662464), (4, 160246848), (6, 106831232), (8, 80123424), (12, 53415616), (16, 40061712), (24, 26707808), (32, 20030856), (48, 13353904), (64, 10015428), (67, 9566976), (96, 6676952), (128, 5007714), (134, 4783488), (192, 3338476), (201, 3188992), (256, 2503857), (268, 2391744), (384, 1669238), (402, 1594496), (536, 1195872), (768, 834619), (804, 797248), (1072, 597936), (1608, 398624), (2144, 298968), (3216, 199312), (4288, 149484), (6432, 99656), (8576, 74742), (12457, 51456), (12864, 49828), (17152, 37371), (24914, 25728)]