13579720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4438

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 24522680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4409, 8818, 17636, 22045, 30863, 35272, 44090, 48499, 61726, 88180, 96998, 123452, 154315, 176360, 193996, 242495, 246904, 308630, 339493, 387992, 484990, 617260, 678986, 969980, 1234520, 1357972, 1697465, 1939960, 2715944, 3394930, 6789860, 13579720]

約数ペア:

[(1, 13579720), (2, 6789860), (4, 3394930), (5, 2715944), (7, 1939960), (8, 1697465), (10, 1357972), (11, 1234520), (14, 969980), (20, 678986), (22, 617260), (28, 484990), (35, 387992), (40, 339493), (44, 308630), (55, 246904), (56, 242495), (70, 193996), (77, 176360), (88, 154315), (110, 123452), (140, 96998), (154, 88180), (220, 61726), (280, 48499), (308, 44090), (385, 35272), (440, 30863), (616, 22045), (770, 17636), (1540, 8818), (3080, 4409)]