256489680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068707}}^1$

素因数の和:1068723

約数の個数: 40

約数和(自身を含む): 795118752

約数和(自身を除く): 538629072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068707, 2137414, 3206121, 4274828, 5343535, 6412242, 8549656, 10687070, 12824484, 16030605, 17099312, 21374140, 25648968, 32061210, 42748280, 51297936, 64122420, 85496560, 128244840, 256489680]

約数ペア:

[(1, 256489680), (2, 128244840), (3, 85496560), (4, 64122420), (5, 51297936), (6, 42748280), (8, 32061210), (10, 25648968), (12, 21374140), (15, 17099312), (16, 16030605), (20, 12824484), (24, 10687070), (30, 8549656), (40, 6412242), (48, 5343535), (60, 4274828), (80, 3206121), (120, 2137414), (240, 1068707)]