81918960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1973}}^1$

素因数の和:2162

約数の個数: 80

約数和(自身を含む): 255546144

約数和(自身を除く): 173627184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 865, 1038, 1384, 1730, 1973, 2076, 2595, 2768, 3460, 3946, 4152, 5190, 5919, 6920, 7892, 8304, 9865, 10380, 11838, 13840, 15784, 19730, 20760, 23676, 29595, 31568, 39460, 41520, 47352, 59190, 78920, 94704, 118380, 157840, 236760, 341329, 473520, 682658, 1023987, 1365316, 1706645, 2047974, 2730632, 3413290, 4095948, 5119935, 5461264, 6826580, 8191896, 10239870, 13653160, 16383792, 20479740, 27306320, 40959480, 81918960]

約数ペア:

[(1, 81918960), (2, 40959480), (3, 27306320), (4, 20479740), (5, 16383792), (6, 13653160), (8, 10239870), (10, 8191896), (12, 6826580), (15, 5461264), (16, 5119935), (20, 4095948), (24, 3413290), (30, 2730632), (40, 2047974), (48, 1706645), (60, 1365316), (80, 1023987), (120, 682658), (173, 473520), (240, 341329), (346, 236760), (519, 157840), (692, 118380), (865, 94704), (1038, 78920), (1384, 59190), (1730, 47352), (1973, 41520), (2076, 39460), (2595, 31568), (2768, 29595), (3460, 23676), (3946, 20760), (4152, 19730), (5190, 15784), (5919, 13840), (6920, 11838), (7892, 10380), (8304, 9865)]