131721552

素因数分解:

$2^4\times 3^6\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 140

約数和(自身を含む): 400090464

約数和(自身を除く): 268368912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 243, 276, 324, 368, 414, 432, 486, 491, 552, 621, 648, 729, 828, 972, 982, 1104, 1242, 1296, 1458, 1473, 1656, 1863, 1944, 1964, 2484, 2916, 2946, 3312, 3726, 3888, 3928, 4419, 4968, 5589, 5832, 5892, 7452, 7856, 8838, 9936, 11178, 11293, 11664, 11784, 13257, 14904, 16767, 17676, 22356, 22586, 23568, 26514, 29808, 33534, 33879, 35352, 39771, 44712, 45172, 53028, 67068, 67758, 70704, 79542, 89424, 90344, 101637, 106056, 119313, 134136, 135516, 159084, 180688, 203274, 212112, 238626, 268272, 271032, 304911, 318168, 357939, 406548, 477252, 542064, 609822, 636336, 715878, 813096, 914733, 954504, 1219644, 1431756, 1626192, 1829466, 1909008, 2439288, 2744199, 2863512, 3658932, 4878576, 5488398, 5727024, 7317864, 8232597, 10976796, 14635728, 16465194, 21953592, 32930388, 43907184, 65860776, 131721552]

約数ペア:

[(1, 131721552), (2, 65860776), (3, 43907184), (4, 32930388), (6, 21953592), (8, 16465194), (9, 14635728), (12, 10976796), (16, 8232597), (18, 7317864), (23, 5727024), (24, 5488398), (27, 4878576), (36, 3658932), (46, 2863512), (48, 2744199), (54, 2439288), (69, 1909008), (72, 1829466), (81, 1626192), (92, 1431756), (108, 1219644), (138, 954504), (144, 914733), (162, 813096), (184, 715878), (207, 636336), (216, 609822), (243, 542064), (276, 477252), (324, 406548), (368, 357939), (414, 318168), (432, 304911), (486, 271032), (491, 268272), (552, 238626), (621, 212112), (648, 203274), (729, 180688), (828, 159084), (972, 135516), (982, 134136), (1104, 119313), (1242, 106056), (1296, 101637), (1458, 90344), (1473, 89424), (1656, 79542), (1863, 70704), (1944, 67758), (1964, 67068), (2484, 53028), (2916, 45172), (2946, 44712), (3312, 39771), (3726, 35352), (3888, 33879), (3928, 33534), (4419, 29808), (4968, 26514), (5589, 23568), (5832, 22586), (5892, 22356), (7452, 17676), (7856, 16767), (8838, 14904), (9936, 13257), (11178, 11784), (11293, 11664)]