81887544

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 242611200

約数和(自身を除く): 160723656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 53, 54, 69, 72, 92, 106, 108, 138, 159, 184, 207, 212, 216, 276, 311, 318, 414, 424, 477, 552, 621, 622, 636, 828, 933, 954, 1219, 1242, 1244, 1272, 1431, 1656, 1866, 1908, 2438, 2484, 2488, 2799, 2862, 3657, 3732, 3816, 4876, 4968, 5598, 5724, 7153, 7314, 7464, 8397, 9752, 10971, 11196, 11448, 14306, 14628, 16483, 16794, 21459, 21942, 22392, 28612, 29256, 32913, 32966, 33588, 42918, 43884, 49449, 57224, 64377, 65826, 65932, 67176, 85836, 87768, 98898, 128754, 131652, 131864, 148347, 171672, 193131, 197796, 257508, 263304, 296694, 379109, 386262, 395592, 445041, 515016, 593388, 758218, 772524, 890082, 1137327, 1186776, 1516436, 1545048, 1780164, 2274654, 3032872, 3411981, 3560328, 4549308, 6823962, 9098616, 10235943, 13647924, 20471886, 27295848, 40943772, 81887544]

約数ペア:

[(1, 81887544), (2, 40943772), (3, 27295848), (4, 20471886), (6, 13647924), (8, 10235943), (9, 9098616), (12, 6823962), (18, 4549308), (23, 3560328), (24, 3411981), (27, 3032872), (36, 2274654), (46, 1780164), (53, 1545048), (54, 1516436), (69, 1186776), (72, 1137327), (92, 890082), (106, 772524), (108, 758218), (138, 593388), (159, 515016), (184, 445041), (207, 395592), (212, 386262), (216, 379109), (276, 296694), (311, 263304), (318, 257508), (414, 197796), (424, 193131), (477, 171672), (552, 148347), (621, 131864), (622, 131652), (636, 128754), (828, 98898), (933, 87768), (954, 85836), (1219, 67176), (1242, 65932), (1244, 65826), (1272, 64377), (1431, 57224), (1656, 49449), (1866, 43884), (1908, 42918), (2438, 33588), (2484, 32966), (2488, 32913), (2799, 29256), (2862, 28612), (3657, 22392), (3732, 21942), (3816, 21459), (4876, 16794), (4968, 16483), (5598, 14628), (5724, 14306), (7153, 11448), (7314, 11196), (7464, 10971), (8397, 9752)]