640689504

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10477}}^1$

素因数の和:10517

約数の個数: 144

約数和(自身を含む): 2107083888

約数和(自身を除く): 1466394384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 546, 588, 624, 637, 672, 728, 784, 1092, 1176, 1248, 1274, 1456, 1568, 1911, 2184, 2352, 2548, 2912, 3822, 4368, 4704, 5096, 7644, 8736, 10192, 10477, 15288, 20384, 20954, 30576, 31431, 41908, 61152, 62862, 73339, 83816, 125724, 136201, 146678, 167632, 220017, 251448, 272402, 293356, 335264, 408603, 440034, 502896, 513373, 544804, 586712, 817206, 880068, 953407, 1005792, 1026746, 1089608, 1173424, 1540119, 1634412, 1760136, 1906814, 2053492, 2179216, 2346848, 2860221, 3080238, 3268824, 3520272, 3813628, 4106984, 4358432, 5720442, 6160476, 6537648, 6673849, 7040544, 7627256, 8213968, 11440884, 12320952, 13075296, 13347698, 15254512, 16427936, 20021547, 22881768, 24641904, 26695396, 30509024, 40043094, 45763536, 49283808, 53390792, 80086188, 91527072, 106781584, 160172376, 213563168, 320344752, 640689504]

約数ペア:

[(1, 640689504), (2, 320344752), (3, 213563168), (4, 160172376), (6, 106781584), (7, 91527072), (8, 80086188), (12, 53390792), (13, 49283808), (14, 45763536), (16, 40043094), (21, 30509024), (24, 26695396), (26, 24641904), (28, 22881768), (32, 20021547), (39, 16427936), (42, 15254512), (48, 13347698), (49, 13075296), (52, 12320952), (56, 11440884), (78, 8213968), (84, 7627256), (91, 7040544), (96, 6673849), (98, 6537648), (104, 6160476), (112, 5720442), (147, 4358432), (156, 4106984), (168, 3813628), (182, 3520272), (196, 3268824), (208, 3080238), (224, 2860221), (273, 2346848), (294, 2179216), (312, 2053492), (336, 1906814), (364, 1760136), (392, 1634412), (416, 1540119), (546, 1173424), (588, 1089608), (624, 1026746), (637, 1005792), (672, 953407), (728, 880068), (784, 817206), (1092, 586712), (1176, 544804), (1248, 513373), (1274, 502896), (1456, 440034), (1568, 408603), (1911, 335264), (2184, 293356), (2352, 272402), (2548, 251448), (2912, 220017), (3822, 167632), (4368, 146678), (4704, 136201), (5096, 125724), (7644, 83816), (8736, 73339), (10192, 62862), (10477, 61152), (15288, 41908), (20384, 31431), (20954, 30576)]