3520840

素因数分解:

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

素因数の和:166

約数の個数: 64

約数和(自身を含む): 8553600

約数和(自身を除く): 5032760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 89, 92, 115, 172, 178, 184, 215, 230, 344, 356, 430, 445, 460, 712, 860, 890, 920, 989, 1720, 1780, 1978, 2047, 3560, 3827, 3956, 4094, 4945, 7654, 7912, 8188, 9890, 10235, 15308, 16376, 19135, 19780, 20470, 30616, 38270, 39560, 40940, 76540, 81880, 88021, 153080, 176042, 352084, 440105, 704168, 880210, 1760420, 3520840]

約数ペア:

[(1, 3520840), (2, 1760420), (4, 880210), (5, 704168), (8, 440105), (10, 352084), (20, 176042), (23, 153080), (40, 88021), (43, 81880), (46, 76540), (86, 40940), (89, 39560), (92, 38270), (115, 30616), (172, 20470), (178, 19780), (184, 19135), (215, 16376), (230, 15308), (344, 10235), (356, 9890), (430, 8188), (445, 7912), (460, 7654), (712, 4945), (860, 4094), (890, 3956), (920, 3827), (989, 3560), (1720, 2047), (1780, 1978)]