638129664

素因数分解:

$2^9\times 3^5\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 240

約数和(自身を含む): 2001871872

約数和(自身を除く): 1363742208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 223, 243, 256, 276, 288, 324, 368, 384, 414, 432, 446, 486, 512, 552, 576, 621, 648, 669, 736, 768, 828, 864, 892, 972, 1104, 1152, 1242, 1296, 1338, 1472, 1536, 1656, 1728, 1784, 1863, 1944, 2007, 2208, 2304, 2484, 2592, 2676, 2944, 3312, 3456, 3568, 3726, 3888, 4014, 4416, 4608, 4968, 5129, 5184, 5352, 5589, 5888, 6021, 6624, 6912, 7136, 7452, 7776, 8028, 8832, 9936, 10258, 10368, 10704, 11178, 11776, 12042, 13248, 13824, 14272, 14904, 15387, 15552, 16056, 17664, 18063, 19872, 20516, 20736, 21408, 22356, 24084, 26496, 28544, 29808, 30774, 31104, 32112, 35328, 36126, 39744, 41032, 41472, 42816, 44712, 46161, 48168, 52992, 54189, 57088, 59616, 61548, 62208, 64224, 72252, 79488, 82064, 85632, 89424, 92322, 96336, 105984, 108378, 114176, 119232, 123096, 124416, 128448, 138483, 144504, 158976, 164128, 171264, 178848, 184644, 192672, 216756, 238464, 246192, 256896, 276966, 289008, 317952, 328256, 342528, 357696, 369288, 385344, 415449, 433512, 476928, 492384, 513792, 553932, 578016, 656512, 715392, 738576, 770688, 830898, 867024, 953856, 984768, 1027584, 1107864, 1156032, 1246347, 1313024, 1430784, 1477152, 1541376, 1661796, 1734048, 1969536, 2215728, 2312064, 2492694, 2626048, 2861568, 2954304, 3082752, 3323592, 3468096, 3939072, 4431456, 4624128, 4985388, 5908608, 6647184, 6936192, 7878144, 8862912, 9248256, 9970776, 11817216, 13294368, 13872384, 17725824, 19941552, 23634432, 26588736, 27744768, 35451648, 39883104, 53177472, 70903296, 79766208, 106354944, 159532416, 212709888, 319064832, 638129664]

約数ペア:

[(1, 638129664), (2, 319064832), (3, 212709888), (4, 159532416), (6, 106354944), (8, 79766208), (9, 70903296), (12, 53177472), (16, 39883104), (18, 35451648), (23, 27744768), (24, 26588736), (27, 23634432), (32, 19941552), (36, 17725824), (46, 13872384), (48, 13294368), (54, 11817216), (64, 9970776), (69, 9248256), (72, 8862912), (81, 7878144), (92, 6936192), (96, 6647184), (108, 5908608), (128, 4985388), (138, 4624128), (144, 4431456), (162, 3939072), (184, 3468096), (192, 3323592), (207, 3082752), (216, 2954304), (223, 2861568), (243, 2626048), (256, 2492694), (276, 2312064), (288, 2215728), (324, 1969536), (368, 1734048), (384, 1661796), (414, 1541376), (432, 1477152), (446, 1430784), (486, 1313024), (512, 1246347), (552, 1156032), (576, 1107864), (621, 1027584), (648, 984768), (669, 953856), (736, 867024), (768, 830898), (828, 770688), (864, 738576), (892, 715392), (972, 656512), (1104, 578016), (1152, 553932), (1242, 513792), (1296, 492384), (1338, 476928), (1472, 433512), (1536, 415449), (1656, 385344), (1728, 369288), (1784, 357696), (1863, 342528), (1944, 328256), (2007, 317952), (2208, 289008), (2304, 276966), (2484, 256896), (2592, 246192), (2676, 238464), (2944, 216756), (3312, 192672), (3456, 184644), (3568, 178848), (3726, 171264), (3888, 164128), (4014, 158976), (4416, 144504), (4608, 138483), (4968, 128448), (5129, 124416), (5184, 123096), (5352, 119232), (5589, 114176), (5888, 108378), (6021, 105984), (6624, 96336), (6912, 92322), (7136, 89424), (7452, 85632), (7776, 82064), (8028, 79488), (8832, 72252), (9936, 64224), (10258, 62208), (10368, 61548), (10704, 59616), (11178, 57088), (11776, 54189), (12042, 52992), (13248, 48168), (13824, 46161), (14272, 44712), (14904, 42816), (15387, 41472), (15552, 41032), (16056, 39744), (17664, 36126), (18063, 35328), (19872, 32112), (20516, 31104), (20736, 30774), (21408, 29808), (22356, 28544), (24084, 26496)]