257528520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{715357}}^1$

素因数の和:715374

約数の個数: 48

約数和(自身を含む): 836968860

約数和(自身を除く): 579440340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 715357, 1430714, 2146071, 2861428, 3576785, 4292142, 5722856, 6438213, 7153570, 8584284, 10730355, 12876426, 14307140, 17168568, 21460710, 25752852, 28614280, 32191065, 42921420, 51505704, 64382130, 85842840, 128764260, 257528520]

約数ペア:

[(1, 257528520), (2, 128764260), (3, 85842840), (4, 64382130), (5, 51505704), (6, 42921420), (8, 32191065), (9, 28614280), (10, 25752852), (12, 21460710), (15, 17168568), (18, 14307140), (20, 12876426), (24, 10730355), (30, 8584284), (36, 7153570), (40, 6438213), (45, 5722856), (60, 4292142), (72, 3576785), (90, 2861428), (120, 2146071), (180, 1430714), (360, 715357)]