81740988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1613

約数の個数: 120

約数和(自身を含む): 254994432

約数和(自身を除く): 173253444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 414, 483, 567, 621, 644, 756, 828, 966, 1134, 1242, 1449, 1567, 1863, 1932, 2268, 2484, 2898, 3134, 3726, 4347, 4701, 5796, 6268, 7452, 8694, 9402, 10969, 13041, 14103, 17388, 18804, 21938, 26082, 28206, 32907, 36041, 42309, 43876, 52164, 56412, 65814, 72082, 84618, 98721, 108123, 126927, 131628, 144164, 169236, 197442, 216246, 252287, 253854, 296163, 324369, 394884, 432492, 504574, 507708, 592326, 648738, 756861, 888489, 973107, 1009148, 1184652, 1297476, 1513722, 1776978, 1946214, 2270583, 2919321, 3027444, 3553956, 3892428, 4541166, 5838642, 6811749, 9082332, 11677284, 13623498, 20435247, 27246996, 40870494, 81740988]

約数ペア:

[(1, 81740988), (2, 40870494), (3, 27246996), (4, 20435247), (6, 13623498), (7, 11677284), (9, 9082332), (12, 6811749), (14, 5838642), (18, 4541166), (21, 3892428), (23, 3553956), (27, 3027444), (28, 2919321), (36, 2270583), (42, 1946214), (46, 1776978), (54, 1513722), (63, 1297476), (69, 1184652), (81, 1009148), (84, 973107), (92, 888489), (108, 756861), (126, 648738), (138, 592326), (161, 507708), (162, 504574), (189, 432492), (207, 394884), (252, 324369), (276, 296163), (322, 253854), (324, 252287), (378, 216246), (414, 197442), (483, 169236), (567, 144164), (621, 131628), (644, 126927), (756, 108123), (828, 98721), (966, 84618), (1134, 72082), (1242, 65814), (1449, 56412), (1567, 52164), (1863, 43876), (1932, 42309), (2268, 36041), (2484, 32907), (2898, 28206), (3134, 26082), (3726, 21938), (4347, 18804), (4701, 17388), (5796, 14103), (6268, 13041), (7452, 10969), (8694, 9402)]