256493040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068721}}^1$

素因数の和:1068737

約数の個数: 40

約数和(自身を含む): 795129168

約数和(自身を除く): 538636128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068721, 2137442, 3206163, 4274884, 5343605, 6412326, 8549768, 10687210, 12824652, 16030815, 17099536, 21374420, 25649304, 32061630, 42748840, 51298608, 64123260, 85497680, 128246520, 256493040]

約数ペア:

[(1, 256493040), (2, 128246520), (3, 85497680), (4, 64123260), (5, 51298608), (6, 42748840), (8, 32061630), (10, 25649304), (12, 21374420), (15, 17099536), (16, 16030815), (20, 12824652), (24, 10687210), (30, 8549768), (40, 6412326), (48, 5343605), (60, 4274884), (80, 3206163), (120, 2137442), (240, 1068721)]