208380160

素因数分解:

$2^8\times 5^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 501842880

約数和(自身を除く): 293462720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 526, 619, 640, 1052, 1238, 1280, 1315, 2104, 2476, 2630, 3095, 4208, 4952, 5260, 6190, 8416, 9904, 10520, 12380, 16832, 19808, 21040, 24760, 33664, 39616, 42080, 49520, 67328, 79232, 84160, 99040, 158464, 162797, 168320, 198080, 325594, 336640, 396160, 651188, 792320, 813985, 1302376, 1627970, 2604752, 3255940, 5209504, 6511880, 10419008, 13023760, 20838016, 26047520, 41676032, 52095040, 104190080, 208380160]

約数ペア:

[(1, 208380160), (2, 104190080), (4, 52095040), (5, 41676032), (8, 26047520), (10, 20838016), (16, 13023760), (20, 10419008), (32, 6511880), (40, 5209504), (64, 3255940), (80, 2604752), (128, 1627970), (160, 1302376), (256, 813985), (263, 792320), (320, 651188), (526, 396160), (619, 336640), (640, 325594), (1052, 198080), (1238, 168320), (1280, 162797), (1315, 158464), (2104, 99040), (2476, 84160), (2630, 79232), (3095, 67328), (4208, 49520), (4952, 42080), (5260, 39616), (6190, 33664), (8416, 24760), (9904, 21040), (10520, 19808), (12380, 16832)]