72897020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 187608960

約数和(自身を除く): 114711940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 109, 119, 140, 170, 218, 238, 281, 340, 436, 476, 545, 562, 595, 763, 1090, 1124, 1190, 1405, 1526, 1853, 1967, 2180, 2380, 2810, 3052, 3706, 3815, 3934, 4777, 5620, 7412, 7630, 7868, 9265, 9554, 9835, 12971, 15260, 18530, 19108, 19670, 23885, 25942, 30629, 33439, 37060, 39340, 47770, 51884, 61258, 64855, 66878, 95540, 122516, 129710, 133756, 153145, 167195, 214403, 259420, 306290, 334390, 428806, 520693, 612580, 668780, 857612, 1041386, 1072015, 2082772, 2144030, 2603465, 3644851, 4288060, 5206930, 7289702, 10413860, 14579404, 18224255, 36448510, 72897020]

約数ペア:

[(1, 72897020), (2, 36448510), (4, 18224255), (5, 14579404), (7, 10413860), (10, 7289702), (14, 5206930), (17, 4288060), (20, 3644851), (28, 2603465), (34, 2144030), (35, 2082772), (68, 1072015), (70, 1041386), (85, 857612), (109, 668780), (119, 612580), (140, 520693), (170, 428806), (218, 334390), (238, 306290), (281, 259420), (340, 214403), (436, 167195), (476, 153145), (545, 133756), (562, 129710), (595, 122516), (763, 95540), (1090, 66878), (1124, 64855), (1190, 61258), (1405, 51884), (1526, 47770), (1853, 39340), (1967, 37060), (2180, 33439), (2380, 30629), (2810, 25942), (3052, 23885), (3706, 19670), (3815, 19108), (3934, 18530), (4777, 15260), (5620, 12971), (7412, 9835), (7630, 9554), (7868, 9265)]