261511056

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{16661}}^1$

素因数の和:16784

約数の個数: 60

約数和(自身を含む): 738626460

約数和(自身を除く): 477115404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 3924, 5232, 7848, 15696, 16661, 33322, 49983, 66644, 99966, 133288, 149949, 199932, 266576, 299898, 399864, 599796, 799728, 1199592, 1816049, 2399184, 3632098, 5448147, 7264196, 10896294, 14528392, 16344441, 21792588, 29056784, 32688882, 43585176, 65377764, 87170352, 130755528, 261511056]

約数ペア:

[(1, 261511056), (2, 130755528), (3, 87170352), (4, 65377764), (6, 43585176), (8, 32688882), (9, 29056784), (12, 21792588), (16, 16344441), (18, 14528392), (24, 10896294), (36, 7264196), (48, 5448147), (72, 3632098), (109, 2399184), (144, 1816049), (218, 1199592), (327, 799728), (436, 599796), (654, 399864), (872, 299898), (981, 266576), (1308, 199932), (1744, 149949), (1962, 133288), (2616, 99966), (3924, 66644), (5232, 49983), (7848, 33322), (15696, 16661)]