68851880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 164211840

約数和(自身を除く): 95359960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1117, 1340, 1541, 2234, 2680, 3082, 4468, 5585, 6164, 7705, 8936, 11170, 12328, 15410, 22340, 25691, 30820, 44680, 51382, 61640, 74839, 102764, 128455, 149678, 205528, 256910, 299356, 374195, 513820, 598712, 748390, 1027640, 1496780, 1721297, 2993560, 3442594, 6885188, 8606485, 13770376, 17212970, 34425940, 68851880]

約数ペア:

[(1, 68851880), (2, 34425940), (4, 17212970), (5, 13770376), (8, 8606485), (10, 6885188), (20, 3442594), (23, 2993560), (40, 1721297), (46, 1496780), (67, 1027640), (92, 748390), (115, 598712), (134, 513820), (184, 374195), (230, 299356), (268, 256910), (335, 205528), (460, 149678), (536, 128455), (670, 102764), (920, 74839), (1117, 61640), (1340, 51382), (1541, 44680), (2234, 30820), (2680, 25691), (3082, 22340), (4468, 15410), (5585, 12328), (6164, 11170), (7705, 8936)]