251085168

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 723891168

約数和(自身を除く): 472806000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 167, 197, 212, 318, 334, 394, 424, 477, 501, 591, 636, 668, 788, 848, 954, 1002, 1182, 1272, 1336, 1503, 1576, 1773, 1908, 2004, 2364, 2544, 2672, 3006, 3152, 3546, 3816, 4008, 4728, 6012, 7092, 7632, 8016, 8851, 9456, 10441, 12024, 14184, 17702, 20882, 24048, 26553, 28368, 31323, 32899, 35404, 41764, 53106, 62646, 65798, 70808, 79659, 83528, 93969, 98697, 106212, 125292, 131596, 141616, 159318, 167056, 187938, 197394, 212424, 250584, 263192, 296091, 318636, 375876, 394788, 424848, 501168, 526384, 592182, 637272, 751752, 789576, 1184364, 1274544, 1503504, 1579152, 1743647, 2368728, 3487294, 4737456, 5230941, 6974588, 10461882, 13949176, 15692823, 20923764, 27898352, 31385646, 41847528, 62771292, 83695056, 125542584, 251085168]

約数ペア:

[(1, 251085168), (2, 125542584), (3, 83695056), (4, 62771292), (6, 41847528), (8, 31385646), (9, 27898352), (12, 20923764), (16, 15692823), (18, 13949176), (24, 10461882), (36, 6974588), (48, 5230941), (53, 4737456), (72, 3487294), (106, 2368728), (144, 1743647), (159, 1579152), (167, 1503504), (197, 1274544), (212, 1184364), (318, 789576), (334, 751752), (394, 637272), (424, 592182), (477, 526384), (501, 501168), (591, 424848), (636, 394788), (668, 375876), (788, 318636), (848, 296091), (954, 263192), (1002, 250584), (1182, 212424), (1272, 197394), (1336, 187938), (1503, 167056), (1576, 159318), (1773, 141616), (1908, 131596), (2004, 125292), (2364, 106212), (2544, 98697), (2672, 93969), (3006, 83528), (3152, 79659), (3546, 70808), (3816, 65798), (4008, 62646), (4728, 53106), (6012, 41764), (7092, 35404), (7632, 32899), (8016, 31323), (8851, 28368), (9456, 26553), (10441, 24048), (12024, 20882), (14184, 17702)]