281862840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 970421760

約数和(自身を除く): 688558920

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, 120, 140, 168, 210, 280, 307, 420, 614, 840, 921, 1093, 1228, 1535, 1842, 2149, 2186, 2456, 3070, 3279, 3684, 4298, 4372, 4605, 5465, 6140, 6447, 6558, 7368, 7651, 8596, 8744, 9210, 10745, 10930, 12280, 12894, 13116, 15302, 16395, 17192, 18420, 21490, 21860, 22953, 25788, 26232, 30604, 32235, 32790, 36840, 38255, 42980, 43720, 45906, 51576, 61208, 64470, 65580, 76510, 85960, 91812, 114765, 128940, 131160, 153020, 183624, 229530, 257880, 306040, 335551, 459060, 671102, 918120, 1006653, 1342204, 1677755, 2013306, 2348857, 2684408, 3355510, 4026612, 4697714, 5033265, 6711020, 7046571, 8053224, 9395428, 10066530, 11744285, 13422040, 14093142, 18790856, 20133060, 23488570, 28186284, 35232855, 40266120, 46977140, 56372568, 70465710, 93954280, 140931420, 281862840]

約数ペア:

[(1, 281862840), (2, 140931420), (3, 93954280), (4, 70465710), (5, 56372568), (6, 46977140), (7, 40266120), (8, 35232855), (10, 28186284), (12, 23488570), (14, 20133060), (15, 18790856), (20, 14093142), (21, 13422040), (24, 11744285), (28, 10066530), (30, 9395428), (35, 8053224), (40, 7046571), (42, 6711020), (56, 5033265), (60, 4697714), (70, 4026612), (84, 3355510), (105, 2684408), (120, 2348857), (140, 2013306), (168, 1677755), (210, 1342204), (280, 1006653), (307, 918120), (420, 671102), (614, 459060), (840, 335551), (921, 306040), (1093, 257880), (1228, 229530), (1535, 183624), (1842, 153020), (2149, 131160), (2186, 128940), (2456, 114765), (3070, 91812), (3279, 85960), (3684, 76510), (4298, 65580), (4372, 64470), (4605, 61208), (5465, 51576), (6140, 45906), (6447, 43720), (6558, 42980), (7368, 38255), (7651, 36840), (8596, 32790), (8744, 32235), (9210, 30604), (10745, 26232), (10930, 25788), (12280, 22953), (12894, 21860), (13116, 21490), (15302, 18420), (16395, 17192)]