51456720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 184631040

約数和(自身を除く): 133174320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 281, 327, 336, 420, 436, 545, 560, 562, 654, 763, 840, 843, 872, 1090, 1124, 1308, 1405, 1526, 1635, 1680, 1686, 1744, 1967, 2180, 2248, 2289, 2616, 2810, 3052, 3270, 3372, 3815, 3934, 4215, 4360, 4496, 4578, 5232, 5620, 5901, 6104, 6540, 6744, 7630, 7868, 8430, 8720, 9156, 9835, 11240, 11445, 11802, 12208, 13080, 13488, 15260, 15736, 16860, 18312, 19670, 22480, 22890, 23604, 26160, 29505, 30520, 30629, 31472, 33720, 36624, 39340, 45780, 47208, 59010, 61040, 61258, 67440, 78680, 91560, 91887, 94416, 118020, 122516, 153145, 157360, 183120, 183774, 214403, 236040, 245032, 306290, 367548, 428806, 459435, 472080, 490064, 612580, 643209, 735096, 857612, 918870, 1072015, 1225160, 1286418, 1470192, 1715224, 1837740, 2144030, 2450320, 2572836, 3216045, 3430448, 3675480, 4288060, 5145672, 6432090, 7350960, 8576120, 10291344, 12864180, 17152240, 25728360, 51456720]

約数ペア:

[(1, 51456720), (2, 25728360), (3, 17152240), (4, 12864180), (5, 10291344), (6, 8576120), (7, 7350960), (8, 6432090), (10, 5145672), (12, 4288060), (14, 3675480), (15, 3430448), (16, 3216045), (20, 2572836), (21, 2450320), (24, 2144030), (28, 1837740), (30, 1715224), (35, 1470192), (40, 1286418), (42, 1225160), (48, 1072015), (56, 918870), (60, 857612), (70, 735096), (80, 643209), (84, 612580), (105, 490064), (109, 472080), (112, 459435), (120, 428806), (140, 367548), (168, 306290), (210, 245032), (218, 236040), (240, 214403), (280, 183774), (281, 183120), (327, 157360), (336, 153145), (420, 122516), (436, 118020), (545, 94416), (560, 91887), (562, 91560), (654, 78680), (763, 67440), (840, 61258), (843, 61040), (872, 59010), (1090, 47208), (1124, 45780), (1308, 39340), (1405, 36624), (1526, 33720), (1635, 31472), (1680, 30629), (1686, 30520), (1744, 29505), (1967, 26160), (2180, 23604), (2248, 22890), (2289, 22480), (2616, 19670), (2810, 18312), (3052, 16860), (3270, 15736), (3372, 15260), (3815, 13488), (3934, 13080), (4215, 12208), (4360, 11802), (4496, 11445), (4578, 11240), (5232, 9835), (5620, 9156), (5901, 8720), (6104, 8430), (6540, 7868), (6744, 7630)]