127456720

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5879}}^1$

素因数の和:6163

約数の個数: 40

約数和(自身を含む): 297480960

約数和(自身を除く): 170024240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 5879, 10840, 11758, 21680, 23516, 29395, 47032, 58790, 94064, 117580, 235160, 470320, 1593209, 3186418, 6372836, 7966045, 12745672, 15932090, 25491344, 31864180, 63728360, 127456720]

約数ペア:

[(1, 127456720), (2, 63728360), (4, 31864180), (5, 25491344), (8, 15932090), (10, 12745672), (16, 7966045), (20, 6372836), (40, 3186418), (80, 1593209), (271, 470320), (542, 235160), (1084, 117580), (1355, 94064), (2168, 58790), (2710, 47032), (4336, 29395), (5420, 23516), (5879, 21680), (10840, 11758)]