217553520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906473}}^1$

素因数の和:906489

約数の個数: 40

約数和(自身を含む): 674416656

約数和(自身を除く): 456863136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906473, 1812946, 2719419, 3625892, 4532365, 5438838, 7251784, 9064730, 10877676, 13597095, 14503568, 18129460, 21755352, 27194190, 36258920, 43510704, 54388380, 72517840, 108776760, 217553520]

約数ペア:

[(1, 217553520), (2, 108776760), (3, 72517840), (4, 54388380), (5, 43510704), (6, 36258920), (8, 27194190), (10, 21755352), (12, 18129460), (15, 14503568), (16, 13597095), (20, 10877676), (24, 9064730), (30, 7251784), (40, 5438838), (48, 4532365), (60, 3625892), (80, 2719419), (120, 1812946), (240, 906473)]