255609630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^2$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 682696872

約数和(自身を除く): 427087242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 257, 258, 387, 430, 514, 645, 771, 774, 1285, 1290, 1542, 1935, 2313, 2570, 3855, 3870, 4626, 7710, 11051, 11565, 22102, 23130, 33153, 55255, 66049, 66306, 99459, 110510, 132098, 165765, 198147, 198918, 330245, 331530, 396294, 497295, 594441, 660490, 990735, 994590, 1188882, 1981470, 2840107, 2972205, 5680214, 5944410, 8520321, 14200535, 17040642, 25560963, 28401070, 42601605, 51121926, 85203210, 127804815, 255609630]

約数ペア:

[(1, 255609630), (2, 127804815), (3, 85203210), (5, 51121926), (6, 42601605), (9, 28401070), (10, 25560963), (15, 17040642), (18, 14200535), (30, 8520321), (43, 5944410), (45, 5680214), (86, 2972205), (90, 2840107), (129, 1981470), (215, 1188882), (257, 994590), (258, 990735), (387, 660490), (430, 594441), (514, 497295), (645, 396294), (771, 331530), (774, 330245), (1285, 198918), (1290, 198147), (1542, 165765), (1935, 132098), (2313, 110510), (2570, 99459), (3855, 66306), (3870, 66049), (4626, 55255), (7710, 33153), (11051, 23130), (11565, 22102)]