261865872

素因数分解:

$2^4\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 200

約数和(自身を含む): 802774016

約数和(自身を除く): 540908144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 43, 48, 54, 72, 74, 81, 86, 108, 111, 127, 129, 144, 148, 162, 172, 216, 222, 254, 258, 296, 324, 333, 344, 381, 387, 432, 444, 508, 516, 592, 648, 666, 688, 762, 774, 888, 999, 1016, 1032, 1143, 1161, 1296, 1332, 1524, 1548, 1591, 1776, 1998, 2032, 2064, 2286, 2322, 2664, 2997, 3048, 3096, 3182, 3429, 3483, 3996, 4572, 4644, 4699, 4773, 5328, 5461, 5994, 6096, 6192, 6364, 6858, 6966, 7992, 9144, 9288, 9398, 9546, 10287, 10922, 11988, 12728, 13716, 13932, 14097, 14319, 15984, 16383, 18288, 18576, 18796, 19092, 20574, 21844, 23976, 25456, 27432, 27864, 28194, 28638, 32766, 37592, 38184, 41148, 42291, 42957, 43688, 47952, 49149, 54864, 55728, 56388, 57276, 65532, 75184, 76368, 82296, 84582, 85914, 87376, 98298, 112776, 114552, 126873, 128871, 131064, 147447, 164592, 169164, 171828, 196596, 202057, 225552, 229104, 253746, 257742, 262128, 294894, 338328, 343656, 380619, 393192, 404114, 442341, 507492, 515484, 589788, 606171, 676656, 687312, 761238, 786384, 808228, 884682, 1014984, 1030968, 1179576, 1212342, 1522476, 1616456, 1769364, 1818513, 2029968, 2061936, 2359152, 2424684, 3044952, 3232912, 3538728, 3637026, 4849368, 5455539, 6089904, 7077456, 7274052, 9698736, 10911078, 14548104, 16366617, 21822156, 29096208, 32733234, 43644312, 65466468, 87288624, 130932936, 261865872]

約数ペア:

[(1, 261865872), (2, 130932936), (3, 87288624), (4, 65466468), (6, 43644312), (8, 32733234), (9, 29096208), (12, 21822156), (16, 16366617), (18, 14548104), (24, 10911078), (27, 9698736), (36, 7274052), (37, 7077456), (43, 6089904), (48, 5455539), (54, 4849368), (72, 3637026), (74, 3538728), (81, 3232912), (86, 3044952), (108, 2424684), (111, 2359152), (127, 2061936), (129, 2029968), (144, 1818513), (148, 1769364), (162, 1616456), (172, 1522476), (216, 1212342), (222, 1179576), (254, 1030968), (258, 1014984), (296, 884682), (324, 808228), (333, 786384), (344, 761238), (381, 687312), (387, 676656), (432, 606171), (444, 589788), (508, 515484), (516, 507492), (592, 442341), (648, 404114), (666, 393192), (688, 380619), (762, 343656), (774, 338328), (888, 294894), (999, 262128), (1016, 257742), (1032, 253746), (1143, 229104), (1161, 225552), (1296, 202057), (1332, 196596), (1524, 171828), (1548, 169164), (1591, 164592), (1776, 147447), (1998, 131064), (2032, 128871), (2064, 126873), (2286, 114552), (2322, 112776), (2664, 98298), (2997, 87376), (3048, 85914), (3096, 84582), (3182, 82296), (3429, 76368), (3483, 75184), (3996, 65532), (4572, 57276), (4644, 56388), (4699, 55728), (4773, 54864), (5328, 49149), (5461, 47952), (5994, 43688), (6096, 42957), (6192, 42291), (6364, 41148), (6858, 38184), (6966, 37592), (7992, 32766), (9144, 28638), (9288, 28194), (9398, 27864), (9546, 27432), (10287, 25456), (10922, 23976), (11988, 21844), (12728, 20574), (13716, 19092), (13932, 18796), (14097, 18576), (14319, 18288), (15984, 16383)]