1275934208

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4299

約数の個数: 80

約数和(自身を含む): 2770775040

約数和(自身を除く): 1494840832

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3968, 4231, 4712, 4864, 7936, 8462, 9424, 9728, 15872, 16924, 18848, 33848, 37696, 67696, 75392, 80389, 131161, 135392, 150784, 160778, 262322, 270784, 301568, 321556, 524644, 541568, 643112, 1049288, 1083136, 1286224, 2098576, 2166272, 2492059, 2572448, 4197152, 4984118, 5144896, 8394304, 9968236, 10289792, 16788608, 19936472, 20579584, 33577216, 39872944, 41159168, 67154432, 79745888, 159491776, 318983552, 637967104, 1275934208]

約数ペア:

[(1, 1275934208), (2, 637967104), (4, 318983552), (8, 159491776), (16, 79745888), (19, 67154432), (31, 41159168), (32, 39872944), (38, 33577216), (62, 20579584), (64, 19936472), (76, 16788608), (124, 10289792), (128, 9968236), (152, 8394304), (248, 5144896), (256, 4984118), (304, 4197152), (496, 2572448), (512, 2492059), (589, 2166272), (608, 2098576), (992, 1286224), (1178, 1083136), (1216, 1049288), (1984, 643112), (2356, 541568), (2432, 524644), (3968, 321556), (4231, 301568), (4712, 270784), (4864, 262322), (7936, 160778), (8462, 150784), (9424, 135392), (9728, 131161), (15872, 80389), (16924, 75392), (18848, 67696), (33848, 37696)]