261881208

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 748800000

約数和(自身を除く): 486918792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 103, 108, 149, 158, 206, 216, 237, 298, 309, 316, 412, 447, 474, 596, 618, 632, 711, 824, 894, 927, 948, 1192, 1236, 1341, 1422, 1788, 1854, 1896, 2133, 2472, 2682, 2781, 2844, 3576, 3708, 4023, 4266, 5364, 5562, 5688, 7416, 8046, 8137, 8532, 10728, 11124, 11771, 15347, 16092, 16274, 17064, 22248, 23542, 24411, 30694, 32184, 32548, 35313, 46041, 47084, 48822, 61388, 65096, 70626, 73233, 92082, 94168, 97644, 105939, 122776, 138123, 141252, 146466, 184164, 195288, 211878, 219699, 276246, 282504, 292932, 317817, 368328, 414369, 423756, 439398, 552492, 585864, 635634, 828738, 847512, 878796, 1104984, 1212413, 1271268, 1657476, 1757592, 2424826, 2542536, 3314952, 3637239, 4849652, 7274478, 9699304, 10911717, 14548956, 21823434, 29097912, 32735151, 43646868, 65470302, 87293736, 130940604, 261881208]

約数ペア:

[(1, 261881208), (2, 130940604), (3, 87293736), (4, 65470302), (6, 43646868), (8, 32735151), (9, 29097912), (12, 21823434), (18, 14548956), (24, 10911717), (27, 9699304), (36, 7274478), (54, 4849652), (72, 3637239), (79, 3314952), (103, 2542536), (108, 2424826), (149, 1757592), (158, 1657476), (206, 1271268), (216, 1212413), (237, 1104984), (298, 878796), (309, 847512), (316, 828738), (412, 635634), (447, 585864), (474, 552492), (596, 439398), (618, 423756), (632, 414369), (711, 368328), (824, 317817), (894, 292932), (927, 282504), (948, 276246), (1192, 219699), (1236, 211878), (1341, 195288), (1422, 184164), (1788, 146466), (1854, 141252), (1896, 138123), (2133, 122776), (2472, 105939), (2682, 97644), (2781, 94168), (2844, 92082), (3576, 73233), (3708, 70626), (4023, 65096), (4266, 61388), (5364, 48822), (5562, 47084), (5688, 46041), (7416, 35313), (8046, 32548), (8137, 32184), (8532, 30694), (10728, 24411), (11124, 23542), (11771, 22248), (15347, 17064), (16092, 16274)]