220381728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 476347872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 71, 84, 93, 96, 112, 124, 142, 149, 168, 186, 213, 217, 224, 248, 284, 298, 336, 372, 426, 434, 447, 496, 497, 568, 596, 651, 672, 744, 852, 868, 894, 992, 994, 1043, 1136, 1192, 1302, 1488, 1491, 1704, 1736, 1788, 1988, 2086, 2201, 2272, 2384, 2604, 2976, 2982, 3129, 3408, 3472, 3576, 3976, 4172, 4402, 4619, 4768, 5208, 5964, 6258, 6603, 6816, 6944, 7152, 7952, 8344, 8804, 9238, 10416, 10579, 11928, 12516, 13206, 13857, 14304, 15407, 15904, 16688, 17608, 18476, 20832, 21158, 23856, 25032, 26412, 27714, 30814, 31737, 32333, 33376, 35216, 36952, 42316, 46221, 47712, 50064, 52824, 55428, 61628, 63474, 64666, 70432, 73904, 74053, 84632, 92442, 96999, 100128, 105648, 110856, 123256, 126948, 129332, 147808, 148106, 169264, 184884, 193998, 211296, 221712, 222159, 246512, 253896, 258664, 296212, 327949, 338528, 369768, 387996, 443424, 444318, 493024, 507792, 517328, 592424, 655898, 739536, 775992, 888636, 983847, 1015584, 1034656, 1184848, 1311796, 1479072, 1551984, 1777272, 1967694, 2295643, 2369696, 2623592, 3103968, 3554544, 3935388, 4591286, 5247184, 6886929, 7109088, 7870776, 9182572, 10494368, 13773858, 15741552, 18365144, 27547716, 31483104, 36730288, 55095432, 73460576, 110190864, 220381728]

約数ペア:

[(1, 220381728), (2, 110190864), (3, 73460576), (4, 55095432), (6, 36730288), (7, 31483104), (8, 27547716), (12, 18365144), (14, 15741552), (16, 13773858), (21, 10494368), (24, 9182572), (28, 7870776), (31, 7109088), (32, 6886929), (42, 5247184), (48, 4591286), (56, 3935388), (62, 3554544), (71, 3103968), (84, 2623592), (93, 2369696), (96, 2295643), (112, 1967694), (124, 1777272), (142, 1551984), (149, 1479072), (168, 1311796), (186, 1184848), (213, 1034656), (217, 1015584), (224, 983847), (248, 888636), (284, 775992), (298, 739536), (336, 655898), (372, 592424), (426, 517328), (434, 507792), (447, 493024), (496, 444318), (497, 443424), (568, 387996), (596, 369768), (651, 338528), (672, 327949), (744, 296212), (852, 258664), (868, 253896), (894, 246512), (992, 222159), (994, 221712), (1043, 211296), (1136, 193998), (1192, 184884), (1302, 169264), (1488, 148106), (1491, 147808), (1704, 129332), (1736, 126948), (1788, 123256), (1988, 110856), (2086, 105648), (2201, 100128), (2272, 96999), (2384, 92442), (2604, 84632), (2976, 74053), (2982, 73904), (3129, 70432), (3408, 64666), (3472, 63474), (3576, 61628), (3976, 55428), (4172, 52824), (4402, 50064), (4619, 47712), (4768, 46221), (5208, 42316), (5964, 36952), (6258, 35216), (6603, 33376), (6816, 32333), (6944, 31737), (7152, 30814), (7952, 27714), (8344, 26412), (8804, 25032), (9238, 23856), (10416, 21158), (10579, 20832), (11928, 18476), (12516, 17608), (13206, 16688), (13857, 15904), (14304, 15407)]