215261508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1502

約数の個数: 144

約数和(自身を含む): 665570304

約数和(自身を除く): 450308796

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 49, 66, 69, 77, 84, 92, 98, 132, 138, 147, 154, 161, 196, 231, 253, 276, 294, 308, 322, 462, 483, 506, 539, 588, 644, 759, 924, 966, 1012, 1078, 1127, 1447, 1518, 1617, 1771, 1932, 2156, 2254, 2894, 3036, 3234, 3381, 3542, 4341, 4508, 5313, 5788, 6468, 6762, 7084, 8682, 10129, 10626, 12397, 13524, 15917, 17364, 20258, 21252, 24794, 30387, 31834, 33281, 37191, 40516, 47751, 49588, 60774, 63668, 66562, 70903, 74382, 95502, 99843, 111419, 121548, 133124, 141806, 148764, 191004, 199686, 212709, 222838, 232967, 283612, 334257, 366091, 399372, 425418, 445676, 465934, 668514, 698901, 732182, 779933, 850836, 931868, 1098273, 1337028, 1397802, 1464364, 1559866, 1630769, 2196546, 2339799, 2562637, 2795604, 3119732, 3261538, 4393092, 4679598, 4892307, 5125274, 6523076, 7687911, 9359196, 9784614, 10250548, 15375822, 17938459, 19569228, 30751644, 35876918, 53815377, 71753836, 107630754, 215261508]

約数ペア:

[(1, 215261508), (2, 107630754), (3, 71753836), (4, 53815377), (6, 35876918), (7, 30751644), (11, 19569228), (12, 17938459), (14, 15375822), (21, 10250548), (22, 9784614), (23, 9359196), (28, 7687911), (33, 6523076), (42, 5125274), (44, 4892307), (46, 4679598), (49, 4393092), (66, 3261538), (69, 3119732), (77, 2795604), (84, 2562637), (92, 2339799), (98, 2196546), (132, 1630769), (138, 1559866), (147, 1464364), (154, 1397802), (161, 1337028), (196, 1098273), (231, 931868), (253, 850836), (276, 779933), (294, 732182), (308, 698901), (322, 668514), (462, 465934), (483, 445676), (506, 425418), (539, 399372), (588, 366091), (644, 334257), (759, 283612), (924, 232967), (966, 222838), (1012, 212709), (1078, 199686), (1127, 191004), (1447, 148764), (1518, 141806), (1617, 133124), (1771, 121548), (1932, 111419), (2156, 99843), (2254, 95502), (2894, 74382), (3036, 70903), (3234, 66562), (3381, 63668), (3542, 60774), (4341, 49588), (4508, 47751), (5313, 40516), (5788, 37191), (6468, 33281), (6762, 31834), (7084, 30387), (8682, 24794), (10129, 21252), (10626, 20258), (12397, 17364), (13524, 15917)]