278609280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{145109}}^1$

素因数の和:145131

約数の個数: 64

約数和(自身を含む): 888073200

約数和(自身を除く): 609463920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 145109, 290218, 435327, 580436, 725545, 870654, 1160872, 1451090, 1741308, 2176635, 2321744, 2902180, 3482616, 4353270, 4643488, 5804360, 6965232, 8706540, 9286976, 11608720, 13930464, 17413080, 18573952, 23217440, 27860928, 34826160, 46434880, 55721856, 69652320, 92869760, 139304640, 278609280]

約数ペア:

[(1, 278609280), (2, 139304640), (3, 92869760), (4, 69652320), (5, 55721856), (6, 46434880), (8, 34826160), (10, 27860928), (12, 23217440), (15, 18573952), (16, 17413080), (20, 13930464), (24, 11608720), (30, 9286976), (32, 8706540), (40, 6965232), (48, 5804360), (60, 4643488), (64, 4353270), (80, 3482616), (96, 2902180), (120, 2321744), (128, 2176635), (160, 1741308), (192, 1451090), (240, 1160872), (320, 870654), (384, 725545), (480, 580436), (640, 435327), (960, 290218), (1920, 145109)]