255537240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{304211}}^1$

素因数の和:304232

約数の個数: 64

約数和(自身を含む): 876130560

約数和(自身を除く): 620593320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 304211, 608422, 912633, 1216844, 1521055, 1825266, 2129477, 2433688, 3042110, 3650532, 4258954, 4563165, 6084220, 6388431, 7301064, 8517908, 9126330, 10647385, 12168440, 12776862, 17035816, 18252660, 21294770, 25553724, 31942155, 36505320, 42589540, 51107448, 63884310, 85179080, 127768620, 255537240]

約数ペア:

[(1, 255537240), (2, 127768620), (3, 85179080), (4, 63884310), (5, 51107448), (6, 42589540), (7, 36505320), (8, 31942155), (10, 25553724), (12, 21294770), (14, 18252660), (15, 17035816), (20, 12776862), (21, 12168440), (24, 10647385), (28, 9126330), (30, 8517908), (35, 7301064), (40, 6388431), (42, 6084220), (56, 4563165), (60, 4258954), (70, 3650532), (84, 3042110), (105, 2433688), (120, 2129477), (140, 1825266), (168, 1521055), (210, 1216844), (280, 912633), (420, 608422), (840, 304211)]