1557425040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6489271}}^1$

素因数の和:6489287

約数の個数: 40

約数和(自身を含む): 4828018368

約数和(自身を除く): 3270593328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6489271, 12978542, 19467813, 25957084, 32446355, 38935626, 51914168, 64892710, 77871252, 97339065, 103828336, 129785420, 155742504, 194678130, 259570840, 311485008, 389356260, 519141680, 778712520, 1557425040]

約数ペア:

[(1, 1557425040), (2, 778712520), (3, 519141680), (4, 389356260), (5, 311485008), (6, 259570840), (8, 194678130), (10, 155742504), (12, 129785420), (15, 103828336), (16, 97339065), (20, 77871252), (24, 64892710), (30, 51914168), (40, 38935626), (48, 32446355), (60, 25957084), (80, 19467813), (120, 12978542), (240, 6489271)]