25728360

素因数分解:

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

素因数の和:411

約数の個数: 128

約数和(自身を含む): 89337600

約数和(自身を除く): 63609240

約数列:

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

約数ペア:

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