81507216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 175619184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 53, 56, 69, 84, 92, 106, 112, 138, 159, 161, 168, 184, 199, 212, 276, 318, 322, 336, 368, 371, 398, 424, 483, 552, 597, 636, 644, 742, 796, 848, 966, 1104, 1113, 1194, 1219, 1272, 1288, 1393, 1484, 1592, 1932, 2226, 2388, 2438, 2544, 2576, 2786, 2968, 3184, 3657, 3864, 4179, 4452, 4577, 4776, 4876, 5572, 5936, 7314, 7728, 8358, 8533, 8904, 9154, 9552, 9752, 10547, 11144, 13731, 14628, 16716, 17066, 17808, 18308, 19504, 21094, 22288, 25599, 27462, 29256, 31641, 32039, 33432, 34132, 36616, 42188, 51198, 54924, 58512, 63282, 64078, 66864, 68264, 73232, 73829, 84376, 96117, 102396, 109848, 126564, 128156, 136528, 147658, 168752, 192234, 204792, 219696, 221487, 242581, 253128, 256312, 295316, 384468, 409584, 442974, 485162, 506256, 512624, 590632, 727743, 768936, 885948, 970324, 1181264, 1455486, 1537872, 1698067, 1771896, 1940648, 2910972, 3396134, 3543792, 3881296, 5094201, 5821944, 6792268, 10188402, 11643888, 13584536, 20376804, 27169072, 40753608, 81507216]

約数ペア:

[(1, 81507216), (2, 40753608), (3, 27169072), (4, 20376804), (6, 13584536), (7, 11643888), (8, 10188402), (12, 6792268), (14, 5821944), (16, 5094201), (21, 3881296), (23, 3543792), (24, 3396134), (28, 2910972), (42, 1940648), (46, 1771896), (48, 1698067), (53, 1537872), (56, 1455486), (69, 1181264), (84, 970324), (92, 885948), (106, 768936), (112, 727743), (138, 590632), (159, 512624), (161, 506256), (168, 485162), (184, 442974), (199, 409584), (212, 384468), (276, 295316), (318, 256312), (322, 253128), (336, 242581), (368, 221487), (371, 219696), (398, 204792), (424, 192234), (483, 168752), (552, 147658), (597, 136528), (636, 128156), (644, 126564), (742, 109848), (796, 102396), (848, 96117), (966, 84376), (1104, 73829), (1113, 73232), (1194, 68264), (1219, 66864), (1272, 64078), (1288, 63282), (1393, 58512), (1484, 54924), (1592, 51198), (1932, 42188), (2226, 36616), (2388, 34132), (2438, 33432), (2544, 32039), (2576, 31641), (2786, 29256), (2968, 27462), (3184, 25599), (3657, 22288), (3864, 21094), (4179, 19504), (4452, 18308), (4577, 17808), (4776, 17066), (4876, 16716), (5572, 14628), (5936, 13731), (7314, 11144), (7728, 10547), (8358, 9752), (8533, 9552), (8904, 9154)]