65444280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1221

約数の個数: 128

約数和(自身を含む): 219352320

約数和(自身を除く): 153908040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1153, 1290, 1320, 1419, 1720, 1892, 2306, 2365, 2580, 2838, 3459, 3784, 4612, 4730, 5160, 5676, 5765, 6918, 7095, 9224, 9460, 11352, 11530, 12683, 13836, 14190, 17295, 18920, 23060, 25366, 27672, 28380, 34590, 38049, 46120, 49579, 50732, 56760, 63415, 69180, 76098, 99158, 101464, 126830, 138360, 148737, 152196, 190245, 198316, 247895, 253660, 297474, 304392, 380490, 396632, 495790, 507320, 545369, 594948, 743685, 760980, 991580, 1090738, 1189896, 1487370, 1521960, 1636107, 1983160, 2181476, 2726845, 2974740, 3272214, 4362952, 5453690, 5949480, 6544428, 8180535, 10907380, 13088856, 16361070, 21814760, 32722140, 65444280]

約数ペア:

[(1, 65444280), (2, 32722140), (3, 21814760), (4, 16361070), (5, 13088856), (6, 10907380), (8, 8180535), (10, 6544428), (11, 5949480), (12, 5453690), (15, 4362952), (20, 3272214), (22, 2974740), (24, 2726845), (30, 2181476), (33, 1983160), (40, 1636107), (43, 1521960), (44, 1487370), (55, 1189896), (60, 1090738), (66, 991580), (86, 760980), (88, 743685), (110, 594948), (120, 545369), (129, 507320), (132, 495790), (165, 396632), (172, 380490), (215, 304392), (220, 297474), (258, 253660), (264, 247895), (330, 198316), (344, 190245), (430, 152196), (440, 148737), (473, 138360), (516, 126830), (645, 101464), (660, 99158), (860, 76098), (946, 69180), (1032, 63415), (1153, 56760), (1290, 50732), (1320, 49579), (1419, 46120), (1720, 38049), (1892, 34590), (2306, 28380), (2365, 27672), (2580, 25366), (2838, 23060), (3459, 18920), (3784, 17295), (4612, 14190), (4730, 13836), (5160, 12683), (5676, 11530), (5765, 11352), (6918, 9460), (7095, 9224)]