18704040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 38147160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 1973, 2370, 3160, 3946, 4740, 5919, 7892, 9480, 9865, 11838, 15784, 19730, 23676, 29595, 39460, 47352, 59190, 78920, 118380, 155867, 236760, 311734, 467601, 623468, 779335, 935202, 1246936, 1558670, 1870404, 2338005, 3117340, 3740808, 4676010, 6234680, 9352020, 18704040]

約数ペア:

[(1, 18704040), (2, 9352020), (3, 6234680), (4, 4676010), (5, 3740808), (6, 3117340), (8, 2338005), (10, 1870404), (12, 1558670), (15, 1246936), (20, 935202), (24, 779335), (30, 623468), (40, 467601), (60, 311734), (79, 236760), (120, 155867), (158, 118380), (237, 78920), (316, 59190), (395, 47352), (474, 39460), (632, 29595), (790, 23676), (948, 19730), (1185, 15784), (1580, 11838), (1896, 9865), (1973, 9480), (2370, 7892), (3160, 5919), (3946, 4740)]