261857280

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2165

約数の個数: 112

約数和(自身を含む): 838285344

約数和(自身を除く): 576428064

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, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2131, 2560, 3072, 3840, 4096, 4262, 5120, 6144, 6393, 7680, 8192, 8524, 10240, 10655, 12288, 12786, 15360, 17048, 20480, 21310, 24576, 25572, 30720, 31965, 34096, 40960, 42620, 51144, 61440, 63930, 68192, 85240, 102288, 122880, 127860, 136384, 170480, 204576, 255720, 272768, 340960, 409152, 511440, 545536, 681920, 818304, 1022880, 1091072, 1363840, 1636608, 2045760, 2182144, 2727680, 3273216, 4091520, 4364288, 5455360, 6546432, 8183040, 8728576, 10910720, 13092864, 16366080, 17457152, 21821440, 26185728, 32732160, 43642880, 52371456, 65464320, 87285760, 130928640, 261857280]

約数ペア:

[(1, 261857280), (2, 130928640), (3, 87285760), (4, 65464320), (5, 52371456), (6, 43642880), (8, 32732160), (10, 26185728), (12, 21821440), (15, 17457152), (16, 16366080), (20, 13092864), (24, 10910720), (30, 8728576), (32, 8183040), (40, 6546432), (48, 5455360), (60, 4364288), (64, 4091520), (80, 3273216), (96, 2727680), (120, 2182144), (128, 2045760), (160, 1636608), (192, 1363840), (240, 1091072), (256, 1022880), (320, 818304), (384, 681920), (480, 545536), (512, 511440), (640, 409152), (768, 340960), (960, 272768), (1024, 255720), (1280, 204576), (1536, 170480), (1920, 136384), (2048, 127860), (2131, 122880), (2560, 102288), (3072, 85240), (3840, 68192), (4096, 63930), (4262, 61440), (5120, 51144), (6144, 42620), (6393, 40960), (7680, 34096), (8192, 31965), (8524, 30720), (10240, 25572), (10655, 24576), (12288, 21310), (12786, 20480), (15360, 17048)]