1008280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 2802240

約数和(自身を除く): 1793960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 277, 280, 364, 455, 520, 554, 728, 910, 1108, 1385, 1820, 1939, 2216, 2770, 3601, 3640, 3878, 5540, 7202, 7756, 9695, 11080, 14404, 15512, 18005, 19390, 25207, 28808, 36010, 38780, 50414, 72020, 77560, 100828, 126035, 144040, 201656, 252070, 504140, 1008280]

約数ペア:

[(1, 1008280), (2, 504140), (4, 252070), (5, 201656), (7, 144040), (8, 126035), (10, 100828), (13, 77560), (14, 72020), (20, 50414), (26, 38780), (28, 36010), (35, 28808), (40, 25207), (52, 19390), (56, 18005), (65, 15512), (70, 14404), (91, 11080), (104, 9695), (130, 7756), (140, 7202), (182, 5540), (260, 3878), (277, 3640), (280, 3601), (364, 2770), (455, 2216), (520, 1939), (554, 1820), (728, 1385), (910, 1108)]