72002240

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1249

約数の個数: 56

約数和(自身を含む): 172394880

約数和(自身を除く): 100392640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 1009, 1115, 1784, 2018, 2230, 3568, 4036, 4460, 5045, 7136, 8072, 8920, 10090, 14272, 16144, 17840, 20180, 32288, 35680, 40360, 64576, 71360, 80720, 161440, 225007, 322880, 450014, 900028, 1125035, 1800056, 2250070, 3600112, 4500140, 7200224, 9000280, 14400448, 18000560, 36001120, 72002240]

約数ペア:

[(1, 72002240), (2, 36001120), (4, 18000560), (5, 14400448), (8, 9000280), (10, 7200224), (16, 4500140), (20, 3600112), (32, 2250070), (40, 1800056), (64, 1125035), (80, 900028), (160, 450014), (223, 322880), (320, 225007), (446, 161440), (892, 80720), (1009, 71360), (1115, 64576), (1784, 40360), (2018, 35680), (2230, 32288), (3568, 20180), (4036, 17840), (4460, 16144), (5045, 14272), (7136, 10090), (8072, 8920)]