263454720

素因数分解:

$2^{18}\times 3^1\times 5^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 152

約数和(自身を含む): 855636384

約数和(自身を除く): 592181664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 512, 536, 640, 670, 768, 804, 960, 1005, 1024, 1072, 1280, 1340, 1536, 1608, 1920, 2010, 2048, 2144, 2560, 2680, 3072, 3216, 3840, 4020, 4096, 4288, 5120, 5360, 6144, 6432, 7680, 8040, 8192, 8576, 10240, 10720, 12288, 12864, 15360, 16080, 16384, 17152, 20480, 21440, 24576, 25728, 30720, 32160, 32768, 34304, 40960, 42880, 49152, 51456, 61440, 64320, 65536, 68608, 81920, 85760, 98304, 102912, 122880, 128640, 131072, 137216, 163840, 171520, 196608, 205824, 245760, 257280, 262144, 274432, 327680, 343040, 393216, 411648, 491520, 514560, 548864, 655360, 686080, 786432, 823296, 983040, 1029120, 1097728, 1310720, 1372160, 1646592, 1966080, 2058240, 2195456, 2744320, 3293184, 3932160, 4116480, 4390912, 5488640, 6586368, 8232960, 8781824, 10977280, 13172736, 16465920, 17563648, 21954560, 26345472, 32931840, 43909120, 52690944, 65863680, 87818240, 131727360, 263454720]

約数ペア:

[(1, 263454720), (2, 131727360), (3, 87818240), (4, 65863680), (5, 52690944), (6, 43909120), (8, 32931840), (10, 26345472), (12, 21954560), (15, 17563648), (16, 16465920), (20, 13172736), (24, 10977280), (30, 8781824), (32, 8232960), (40, 6586368), (48, 5488640), (60, 4390912), (64, 4116480), (67, 3932160), (80, 3293184), (96, 2744320), (120, 2195456), (128, 2058240), (134, 1966080), (160, 1646592), (192, 1372160), (201, 1310720), (240, 1097728), (256, 1029120), (268, 983040), (320, 823296), (335, 786432), (384, 686080), (402, 655360), (480, 548864), (512, 514560), (536, 491520), (640, 411648), (670, 393216), (768, 343040), (804, 327680), (960, 274432), (1005, 262144), (1024, 257280), (1072, 245760), (1280, 205824), (1340, 196608), (1536, 171520), (1608, 163840), (1920, 137216), (2010, 131072), (2048, 128640), (2144, 122880), (2560, 102912), (2680, 98304), (3072, 85760), (3216, 81920), (3840, 68608), (4020, 65536), (4096, 64320), (4288, 61440), (5120, 51456), (5360, 49152), (6144, 42880), (6432, 40960), (7680, 34304), (8040, 32768), (8192, 32160), (8576, 30720), (10240, 25728), (10720, 24576), (12288, 21440), (12864, 20480), (15360, 17152), (16080, 16384)]