218458520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2879}}^1$

素因数の和:3168

約数の個数: 64

約数和(自身を含む): 564019200

約数和(自身を除く): 345560680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2710, 2879, 3794, 5420, 5758, 7588, 9485, 10840, 11516, 14395, 15176, 18970, 20153, 23032, 28790, 37940, 40306, 57580, 75880, 80612, 100765, 115160, 161224, 201530, 403060, 780209, 806120, 1560418, 3120836, 3901045, 5461463, 6241672, 7802090, 10922926, 15604180, 21845852, 27307315, 31208360, 43691704, 54614630, 109229260, 218458520]

約数ペア:

[(1, 218458520), (2, 109229260), (4, 54614630), (5, 43691704), (7, 31208360), (8, 27307315), (10, 21845852), (14, 15604180), (20, 10922926), (28, 7802090), (35, 6241672), (40, 5461463), (56, 3901045), (70, 3120836), (140, 1560418), (271, 806120), (280, 780209), (542, 403060), (1084, 201530), (1355, 161224), (1897, 115160), (2168, 100765), (2710, 80612), (2879, 75880), (3794, 57580), (5420, 40306), (5758, 37940), (7588, 28790), (9485, 23032), (10840, 20153), (11516, 18970), (14395, 15176)]