2154823680

素因数分解:

$2^{20}\times 3^1\times 5^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 168

約数和(自身を含む): 6945764112

約数和(自身を除く): 4790940432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 411, 480, 512, 548, 640, 685, 768, 822, 960, 1024, 1096, 1280, 1370, 1536, 1644, 1920, 2048, 2055, 2192, 2560, 2740, 3072, 3288, 3840, 4096, 4110, 4384, 5120, 5480, 6144, 6576, 7680, 8192, 8220, 8768, 10240, 10960, 12288, 13152, 15360, 16384, 16440, 17536, 20480, 21920, 24576, 26304, 30720, 32768, 32880, 35072, 40960, 43840, 49152, 52608, 61440, 65536, 65760, 70144, 81920, 87680, 98304, 105216, 122880, 131072, 131520, 140288, 163840, 175360, 196608, 210432, 245760, 262144, 263040, 280576, 327680, 350720, 393216, 420864, 491520, 524288, 526080, 561152, 655360, 701440, 786432, 841728, 983040, 1048576, 1052160, 1122304, 1310720, 1402880, 1572864, 1683456, 1966080, 2104320, 2244608, 2621440, 2805760, 3145728, 3366912, 3932160, 4208640, 4489216, 5242880, 5611520, 6733824, 7864320, 8417280, 8978432, 11223040, 13467648, 15728640, 16834560, 17956864, 22446080, 26935296, 33669120, 35913728, 44892160, 53870592, 67338240, 71827456, 89784320, 107741184, 134676480, 143654912, 179568640, 215482368, 269352960, 359137280, 430964736, 538705920, 718274560, 1077411840, 2154823680]

約数ペア:

[(1, 2154823680), (2, 1077411840), (3, 718274560), (4, 538705920), (5, 430964736), (6, 359137280), (8, 269352960), (10, 215482368), (12, 179568640), (15, 143654912), (16, 134676480), (20, 107741184), (24, 89784320), (30, 71827456), (32, 67338240), (40, 53870592), (48, 44892160), (60, 35913728), (64, 33669120), (80, 26935296), (96, 22446080), (120, 17956864), (128, 16834560), (137, 15728640), (160, 13467648), (192, 11223040), (240, 8978432), (256, 8417280), (274, 7864320), (320, 6733824), (384, 5611520), (411, 5242880), (480, 4489216), (512, 4208640), (548, 3932160), (640, 3366912), (685, 3145728), (768, 2805760), (822, 2621440), (960, 2244608), (1024, 2104320), (1096, 1966080), (1280, 1683456), (1370, 1572864), (1536, 1402880), (1644, 1310720), (1920, 1122304), (2048, 1052160), (2055, 1048576), (2192, 983040), (2560, 841728), (2740, 786432), (3072, 701440), (3288, 655360), (3840, 561152), (4096, 526080), (4110, 524288), (4384, 491520), (5120, 420864), (5480, 393216), (6144, 350720), (6576, 327680), (7680, 280576), (8192, 263040), (8220, 262144), (8768, 245760), (10240, 210432), (10960, 196608), (12288, 175360), (13152, 163840), (15360, 140288), (16384, 131520), (16440, 131072), (17536, 122880), (20480, 105216), (21920, 98304), (24576, 87680), (26304, 81920), (30720, 70144), (32768, 65760), (32880, 65536), (35072, 61440), (40960, 52608), (43840, 49152)]