620706520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 1706145120

約数和(自身を除く): 1085438600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 281, 322, 343, 392, 460, 490, 562, 644, 686, 805, 920, 980, 1124, 1127, 1288, 1372, 1405, 1610, 1715, 1960, 1967, 2248, 2254, 2401, 2744, 2810, 3220, 3430, 3934, 4508, 4802, 5620, 5635, 6440, 6463, 6860, 7868, 7889, 9016, 9604, 9835, 11240, 11270, 12005, 12926, 13720, 13769, 15736, 15778, 19208, 19670, 22540, 24010, 25852, 27538, 31556, 32315, 39340, 39445, 45080, 45241, 48020, 51704, 55076, 55223, 63112, 64630, 68845, 78680, 78890, 90482, 96040, 96383, 110152, 110446, 129260, 137690, 157780, 180964, 192766, 220892, 226205, 258520, 275380, 276115, 315560, 316687, 361928, 385532, 441784, 452410, 481915, 550760, 552230, 633374, 674681, 771064, 904820, 963830, 1104460, 1266748, 1349362, 1583435, 1809640, 1927660, 2208920, 2216809, 2533496, 2698724, 3166870, 3373405, 3855320, 4433618, 5397448, 6333740, 6746810, 8867236, 11084045, 12667480, 13493620, 15517663, 17734472, 22168090, 26987240, 31035326, 44336180, 62070652, 77588315, 88672360, 124141304, 155176630, 310353260, 620706520]

約数ペア:

[(1, 620706520), (2, 310353260), (4, 155176630), (5, 124141304), (7, 88672360), (8, 77588315), (10, 62070652), (14, 44336180), (20, 31035326), (23, 26987240), (28, 22168090), (35, 17734472), (40, 15517663), (46, 13493620), (49, 12667480), (56, 11084045), (70, 8867236), (92, 6746810), (98, 6333740), (115, 5397448), (140, 4433618), (161, 3855320), (184, 3373405), (196, 3166870), (230, 2698724), (245, 2533496), (280, 2216809), (281, 2208920), (322, 1927660), (343, 1809640), (392, 1583435), (460, 1349362), (490, 1266748), (562, 1104460), (644, 963830), (686, 904820), (805, 771064), (920, 674681), (980, 633374), (1124, 552230), (1127, 550760), (1288, 481915), (1372, 452410), (1405, 441784), (1610, 385532), (1715, 361928), (1960, 316687), (1967, 315560), (2248, 276115), (2254, 275380), (2401, 258520), (2744, 226205), (2810, 220892), (3220, 192766), (3430, 180964), (3934, 157780), (4508, 137690), (4802, 129260), (5620, 110446), (5635, 110152), (6440, 96383), (6463, 96040), (6860, 90482), (7868, 78890), (7889, 78680), (9016, 68845), (9604, 64630), (9835, 63112), (11240, 55223), (11270, 55076), (12005, 51704), (12926, 48020), (13720, 45241), (13769, 45080), (15736, 39445), (15778, 39340), (19208, 32315), (19670, 31556), (22540, 27538), (24010, 25852)]