131021712

素因数分解:

$2^4\times 3^6\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 140

約数和(自身を含む): 390332160

約数和(自身を除く): 259310448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 108, 141, 144, 162, 188, 216, 239, 243, 282, 324, 376, 423, 432, 478, 486, 564, 648, 717, 729, 752, 846, 956, 972, 1128, 1269, 1296, 1434, 1458, 1692, 1912, 1944, 2151, 2256, 2538, 2868, 2916, 3384, 3807, 3824, 3888, 4302, 5076, 5736, 5832, 6453, 6768, 7614, 8604, 10152, 11233, 11421, 11472, 11664, 12906, 15228, 17208, 19359, 20304, 22466, 22842, 25812, 30456, 33699, 34263, 34416, 38718, 44932, 45684, 51624, 58077, 60912, 67398, 68526, 77436, 89864, 91368, 101097, 103248, 116154, 134796, 137052, 154872, 174231, 179728, 182736, 202194, 232308, 269592, 274104, 303291, 309744, 348462, 404388, 464616, 539184, 548208, 606582, 696924, 808776, 909873, 929232, 1213164, 1393848, 1617552, 1819746, 2426328, 2729619, 2787696, 3639492, 4852656, 5459238, 7278984, 8188857, 10918476, 14557968, 16377714, 21836952, 32755428, 43673904, 65510856, 131021712]

約数ペア:

[(1, 131021712), (2, 65510856), (3, 43673904), (4, 32755428), (6, 21836952), (8, 16377714), (9, 14557968), (12, 10918476), (16, 8188857), (18, 7278984), (24, 5459238), (27, 4852656), (36, 3639492), (47, 2787696), (48, 2729619), (54, 2426328), (72, 1819746), (81, 1617552), (94, 1393848), (108, 1213164), (141, 929232), (144, 909873), (162, 808776), (188, 696924), (216, 606582), (239, 548208), (243, 539184), (282, 464616), (324, 404388), (376, 348462), (423, 309744), (432, 303291), (478, 274104), (486, 269592), (564, 232308), (648, 202194), (717, 182736), (729, 179728), (752, 174231), (846, 154872), (956, 137052), (972, 134796), (1128, 116154), (1269, 103248), (1296, 101097), (1434, 91368), (1458, 89864), (1692, 77436), (1912, 68526), (1944, 67398), (2151, 60912), (2256, 58077), (2538, 51624), (2868, 45684), (2916, 44932), (3384, 38718), (3807, 34416), (3824, 34263), (3888, 33699), (4302, 30456), (5076, 25812), (5736, 22842), (5832, 22466), (6453, 20304), (6768, 19359), (7614, 17208), (8604, 15228), (10152, 12906), (11233, 11664), (11421, 11472)]