621281280

素因数分解:

$2^{19}\times 3^1\times 5^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 2013264000

約数和(自身を除く): 1391982720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 512, 632, 640, 768, 790, 948, 960, 1024, 1185, 1264, 1280, 1536, 1580, 1896, 1920, 2048, 2370, 2528, 2560, 3072, 3160, 3792, 3840, 4096, 4740, 5056, 5120, 6144, 6320, 7584, 7680, 8192, 9480, 10112, 10240, 12288, 12640, 15168, 15360, 16384, 18960, 20224, 20480, 24576, 25280, 30336, 30720, 32768, 37920, 40448, 40960, 49152, 50560, 60672, 61440, 65536, 75840, 80896, 81920, 98304, 101120, 121344, 122880, 131072, 151680, 161792, 163840, 196608, 202240, 242688, 245760, 262144, 303360, 323584, 327680, 393216, 404480, 485376, 491520, 524288, 606720, 647168, 655360, 786432, 808960, 970752, 983040, 1213440, 1294336, 1310720, 1572864, 1617920, 1941504, 1966080, 2426880, 2588672, 2621440, 3235840, 3883008, 3932160, 4853760, 5177344, 6471680, 7766016, 7864320, 9707520, 10354688, 12943360, 15532032, 19415040, 20709376, 25886720, 31064064, 38830080, 41418752, 51773440, 62128128, 77660160, 103546880, 124256256, 155320320, 207093760, 310640640, 621281280]

約数ペア:

[(1, 621281280), (2, 310640640), (3, 207093760), (4, 155320320), (5, 124256256), (6, 103546880), (8, 77660160), (10, 62128128), (12, 51773440), (15, 41418752), (16, 38830080), (20, 31064064), (24, 25886720), (30, 20709376), (32, 19415040), (40, 15532032), (48, 12943360), (60, 10354688), (64, 9707520), (79, 7864320), (80, 7766016), (96, 6471680), (120, 5177344), (128, 4853760), (158, 3932160), (160, 3883008), (192, 3235840), (237, 2621440), (240, 2588672), (256, 2426880), (316, 1966080), (320, 1941504), (384, 1617920), (395, 1572864), (474, 1310720), (480, 1294336), (512, 1213440), (632, 983040), (640, 970752), (768, 808960), (790, 786432), (948, 655360), (960, 647168), (1024, 606720), (1185, 524288), (1264, 491520), (1280, 485376), (1536, 404480), (1580, 393216), (1896, 327680), (1920, 323584), (2048, 303360), (2370, 262144), (2528, 245760), (2560, 242688), (3072, 202240), (3160, 196608), (3792, 163840), (3840, 161792), (4096, 151680), (4740, 131072), (5056, 122880), (5120, 121344), (6144, 101120), (6320, 98304), (7584, 81920), (7680, 80896), (8192, 75840), (9480, 65536), (10112, 61440), (10240, 60672), (12288, 50560), (12640, 49152), (15168, 40960), (15360, 40448), (16384, 37920), (18960, 32768), (20224, 30720), (20480, 30336), (24576, 25280)]