68806680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{15497}}^1$

素因数の和:15548

約数の個数: 64

約数和(自身を含む): 212012640

約数和(自身を除く): 143205960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 15497, 30994, 46491, 61988, 77485, 92982, 123976, 154970, 185964, 232455, 309940, 371928, 464910, 573389, 619880, 929820, 1146778, 1720167, 1859640, 2293556, 2866945, 3440334, 4587112, 5733890, 6880668, 8600835, 11467780, 13761336, 17201670, 22935560, 34403340, 68806680]

約数ペア:

[(1, 68806680), (2, 34403340), (3, 22935560), (4, 17201670), (5, 13761336), (6, 11467780), (8, 8600835), (10, 6880668), (12, 5733890), (15, 4587112), (20, 3440334), (24, 2866945), (30, 2293556), (37, 1859640), (40, 1720167), (60, 1146778), (74, 929820), (111, 619880), (120, 573389), (148, 464910), (185, 371928), (222, 309940), (296, 232455), (370, 185964), (444, 154970), (555, 123976), (740, 92982), (888, 77485), (1110, 61988), (1480, 46491), (2220, 30994), (4440, 15497)]