203765120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1340

約数の個数: 128

約数和(自身を含む): 552636000

約数和(自身を除く): 348870880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1289, 1520, 1664, 1976, 2080, 2432, 2470, 2578, 3040, 3952, 4160, 4940, 5156, 6080, 6445, 7904, 8320, 9880, 10312, 12160, 12890, 15808, 16757, 19760, 20624, 24491, 25780, 31616, 33514, 39520, 41248, 48982, 51560, 67028, 79040, 82496, 83785, 97964, 103120, 122455, 134056, 158080, 164992, 167570, 195928, 206240, 244910, 268112, 318383, 335140, 391856, 412480, 489820, 536224, 636766, 670280, 783712, 824960, 979640, 1072448, 1273532, 1340560, 1567424, 1591915, 1959280, 2144896, 2547064, 2681120, 3134848, 3183830, 3918560, 5094128, 5362240, 6367660, 7837120, 10188256, 10724480, 12735320, 15674240, 20376512, 25470640, 40753024, 50941280, 101882560, 203765120]

約数ペア:

[(1, 203765120), (2, 101882560), (4, 50941280), (5, 40753024), (8, 25470640), (10, 20376512), (13, 15674240), (16, 12735320), (19, 10724480), (20, 10188256), (26, 7837120), (32, 6367660), (38, 5362240), (40, 5094128), (52, 3918560), (64, 3183830), (65, 3134848), (76, 2681120), (80, 2547064), (95, 2144896), (104, 1959280), (128, 1591915), (130, 1567424), (152, 1340560), (160, 1273532), (190, 1072448), (208, 979640), (247, 824960), (260, 783712), (304, 670280), (320, 636766), (380, 536224), (416, 489820), (494, 412480), (520, 391856), (608, 335140), (640, 318383), (760, 268112), (832, 244910), (988, 206240), (1040, 195928), (1216, 167570), (1235, 164992), (1289, 158080), (1520, 134056), (1664, 122455), (1976, 103120), (2080, 97964), (2432, 83785), (2470, 82496), (2578, 79040), (3040, 67028), (3952, 51560), (4160, 48982), (4940, 41248), (5156, 39520), (6080, 33514), (6445, 31616), (7904, 25780), (8320, 24491), (9880, 20624), (10312, 19760), (12160, 16757), (12890, 15808)]