123305728

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 311342080

約数和(自身を除く): 188036352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 79, 91, 104, 112, 128, 134, 158, 182, 208, 224, 256, 268, 316, 364, 416, 448, 469, 536, 553, 632, 728, 832, 871, 896, 938, 1027, 1072, 1106, 1264, 1456, 1664, 1742, 1792, 1876, 2054, 2144, 2212, 2528, 2912, 3328, 3484, 3752, 4108, 4288, 4424, 5056, 5293, 5824, 6097, 6968, 7189, 7504, 8216, 8576, 8848, 10112, 10586, 11648, 12194, 13936, 14378, 15008, 16432, 17152, 17696, 20224, 21172, 23296, 24388, 27872, 28756, 30016, 32864, 35392, 37051, 42344, 48776, 55744, 57512, 60032, 65728, 68809, 70784, 74102, 84688, 97552, 111488, 115024, 120064, 131456, 137618, 141568, 148204, 169376, 195104, 222976, 230048, 262912, 275236, 296408, 338752, 390208, 460096, 481663, 550472, 592816, 677504, 780416, 920192, 963326, 1100944, 1185632, 1355008, 1560832, 1840384, 1926652, 2201888, 2371264, 3853304, 4403776, 4742528, 7706608, 8807552, 9485056, 15413216, 17615104, 30826432, 61652864, 123305728]

約数ペア:

[(1, 123305728), (2, 61652864), (4, 30826432), (7, 17615104), (8, 15413216), (13, 9485056), (14, 8807552), (16, 7706608), (26, 4742528), (28, 4403776), (32, 3853304), (52, 2371264), (56, 2201888), (64, 1926652), (67, 1840384), (79, 1560832), (91, 1355008), (104, 1185632), (112, 1100944), (128, 963326), (134, 920192), (158, 780416), (182, 677504), (208, 592816), (224, 550472), (256, 481663), (268, 460096), (316, 390208), (364, 338752), (416, 296408), (448, 275236), (469, 262912), (536, 230048), (553, 222976), (632, 195104), (728, 169376), (832, 148204), (871, 141568), (896, 137618), (938, 131456), (1027, 120064), (1072, 115024), (1106, 111488), (1264, 97552), (1456, 84688), (1664, 74102), (1742, 70784), (1792, 68809), (1876, 65728), (2054, 60032), (2144, 57512), (2212, 55744), (2528, 48776), (2912, 42344), (3328, 37051), (3484, 35392), (3752, 32864), (4108, 30016), (4288, 28756), (4424, 27872), (5056, 24388), (5293, 23296), (5824, 21172), (6097, 20224), (6968, 17696), (7189, 17152), (7504, 16432), (8216, 15008), (8576, 14378), (8848, 13936), (10112, 12194), (10586, 11648)]