66895960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 171072000

約数和(自身を除く): 104176040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 43, 46, 76, 86, 89, 92, 95, 115, 152, 172, 178, 184, 190, 215, 230, 344, 356, 380, 430, 437, 445, 460, 712, 760, 817, 860, 874, 890, 920, 989, 1634, 1691, 1720, 1748, 1780, 1978, 2047, 2185, 3268, 3382, 3496, 3560, 3827, 3956, 4085, 4094, 4370, 4945, 6536, 6764, 7654, 7912, 8170, 8188, 8455, 8740, 9890, 10235, 13528, 15308, 16340, 16376, 16910, 17480, 18791, 19135, 19780, 20470, 30616, 32680, 33820, 37582, 38270, 38893, 39560, 40940, 67640, 72713, 75164, 76540, 77786, 81880, 88021, 93955, 145426, 150328, 153080, 155572, 176042, 187910, 194465, 290852, 311144, 352084, 363565, 375820, 388930, 440105, 581704, 704168, 727130, 751640, 777860, 880210, 1454260, 1555720, 1672399, 1760420, 2908520, 3344798, 3520840, 6689596, 8361995, 13379192, 16723990, 33447980, 66895960]

約数ペア:

[(1, 66895960), (2, 33447980), (4, 16723990), (5, 13379192), (8, 8361995), (10, 6689596), (19, 3520840), (20, 3344798), (23, 2908520), (38, 1760420), (40, 1672399), (43, 1555720), (46, 1454260), (76, 880210), (86, 777860), (89, 751640), (92, 727130), (95, 704168), (115, 581704), (152, 440105), (172, 388930), (178, 375820), (184, 363565), (190, 352084), (215, 311144), (230, 290852), (344, 194465), (356, 187910), (380, 176042), (430, 155572), (437, 153080), (445, 150328), (460, 145426), (712, 93955), (760, 88021), (817, 81880), (860, 77786), (874, 76540), (890, 75164), (920, 72713), (989, 67640), (1634, 40940), (1691, 39560), (1720, 38893), (1748, 38270), (1780, 37582), (1978, 33820), (2047, 32680), (2185, 30616), (3268, 20470), (3382, 19780), (3496, 19135), (3560, 18791), (3827, 17480), (3956, 16910), (4085, 16376), (4094, 16340), (4370, 15308), (4945, 13528), (6536, 10235), (6764, 9890), (7654, 8740), (7912, 8455), (8170, 8188)]