64320900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 215402880

約数和(自身を除く): 151081980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 140, 150, 175, 210, 218, 281, 300, 327, 350, 420, 436, 525, 545, 562, 654, 700, 763, 843, 1050, 1090, 1124, 1308, 1405, 1526, 1635, 1686, 1967, 2100, 2180, 2289, 2725, 2810, 3052, 3270, 3372, 3815, 3934, 4215, 4578, 5450, 5620, 5901, 6540, 7025, 7630, 7868, 8175, 8430, 9156, 9835, 10900, 11445, 11802, 14050, 15260, 16350, 16860, 19075, 19670, 21075, 22890, 23604, 28100, 29505, 30629, 32700, 38150, 39340, 42150, 45780, 49175, 57225, 59010, 61258, 76300, 84300, 91887, 98350, 114450, 118020, 122516, 147525, 153145, 183774, 196700, 214403, 228900, 295050, 306290, 367548, 428806, 459435, 590100, 612580, 643209, 765725, 857612, 918870, 1072015, 1286418, 1531450, 1837740, 2144030, 2297175, 2572836, 3062900, 3216045, 4288060, 4594350, 5360075, 6432090, 9188700, 10720150, 12864180, 16080225, 21440300, 32160450, 64320900]

約数ペア:

[(1, 64320900), (2, 32160450), (3, 21440300), (4, 16080225), (5, 12864180), (6, 10720150), (7, 9188700), (10, 6432090), (12, 5360075), (14, 4594350), (15, 4288060), (20, 3216045), (21, 3062900), (25, 2572836), (28, 2297175), (30, 2144030), (35, 1837740), (42, 1531450), (50, 1286418), (60, 1072015), (70, 918870), (75, 857612), (84, 765725), (100, 643209), (105, 612580), (109, 590100), (140, 459435), (150, 428806), (175, 367548), (210, 306290), (218, 295050), (281, 228900), (300, 214403), (327, 196700), (350, 183774), (420, 153145), (436, 147525), (525, 122516), (545, 118020), (562, 114450), (654, 98350), (700, 91887), (763, 84300), (843, 76300), (1050, 61258), (1090, 59010), (1124, 57225), (1308, 49175), (1405, 45780), (1526, 42150), (1635, 39340), (1686, 38150), (1967, 32700), (2100, 30629), (2180, 29505), (2289, 28100), (2725, 23604), (2810, 22890), (3052, 21075), (3270, 19670), (3372, 19075), (3815, 16860), (3934, 16350), (4215, 15260), (4578, 14050), (5450, 11802), (5620, 11445), (5901, 10900), (6540, 9835), (7025, 9156), (7630, 8430), (7868, 8175)]