245779656

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 676823040

約数和(自身を除く): 431043384

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 53, 62, 69, 92, 93, 106, 124, 138, 159, 184, 186, 212, 248, 271, 276, 318, 372, 424, 542, 552, 636, 713, 744, 813, 1084, 1219, 1272, 1426, 1626, 1643, 2139, 2168, 2438, 2852, 3252, 3286, 3657, 4278, 4876, 4929, 5704, 6233, 6504, 6572, 7314, 8401, 8556, 9752, 9858, 12466, 13144, 14363, 14628, 16802, 17112, 18699, 19716, 24932, 25203, 28726, 29256, 33604, 37398, 37789, 39432, 43089, 49864, 50406, 57452, 67208, 74796, 75578, 86178, 100812, 113367, 114904, 149592, 151156, 172356, 193223, 201624, 226734, 302312, 330349, 344712, 386446, 445253, 453468, 579669, 660698, 772892, 890506, 906936, 991047, 1159338, 1321396, 1335759, 1545784, 1781012, 1982094, 2318676, 2642792, 2671518, 3562024, 3964188, 4637352, 5343036, 7928376, 10240819, 10686072, 20481638, 30722457, 40963276, 61444914, 81926552, 122889828, 245779656]

約数ペア:

[(1, 245779656), (2, 122889828), (3, 81926552), (4, 61444914), (6, 40963276), (8, 30722457), (12, 20481638), (23, 10686072), (24, 10240819), (31, 7928376), (46, 5343036), (53, 4637352), (62, 3964188), (69, 3562024), (92, 2671518), (93, 2642792), (106, 2318676), (124, 1982094), (138, 1781012), (159, 1545784), (184, 1335759), (186, 1321396), (212, 1159338), (248, 991047), (271, 906936), (276, 890506), (318, 772892), (372, 660698), (424, 579669), (542, 453468), (552, 445253), (636, 386446), (713, 344712), (744, 330349), (813, 302312), (1084, 226734), (1219, 201624), (1272, 193223), (1426, 172356), (1626, 151156), (1643, 149592), (2139, 114904), (2168, 113367), (2438, 100812), (2852, 86178), (3252, 75578), (3286, 74796), (3657, 67208), (4278, 57452), (4876, 50406), (4929, 49864), (5704, 43089), (6233, 39432), (6504, 37789), (6572, 37398), (7314, 33604), (8401, 29256), (8556, 28726), (9752, 25203), (9858, 24932), (12466, 19716), (13144, 18699), (14363, 17112), (14628, 16802)]