81189120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21143}}^1$

素因数の和:21167

約数の個数: 72

約数和(自身を含む): 259310016

約数和(自身を除く): 178120896

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, 640, 768, 960, 1280, 1920, 3840, 21143, 42286, 63429, 84572, 105715, 126858, 169144, 211430, 253716, 317145, 338288, 422860, 507432, 634290, 676576, 845720, 1014864, 1268580, 1353152, 1691440, 2029728, 2537160, 2706304, 3382880, 4059456, 5074320, 5412608, 6765760, 8118912, 10148640, 13531520, 16237824, 20297280, 27063040, 40594560, 81189120]

約数ペア:

[(1, 81189120), (2, 40594560), (3, 27063040), (4, 20297280), (5, 16237824), (6, 13531520), (8, 10148640), (10, 8118912), (12, 6765760), (15, 5412608), (16, 5074320), (20, 4059456), (24, 3382880), (30, 2706304), (32, 2537160), (40, 2029728), (48, 1691440), (60, 1353152), (64, 1268580), (80, 1014864), (96, 845720), (120, 676576), (128, 634290), (160, 507432), (192, 422860), (240, 338288), (256, 317145), (320, 253716), (384, 211430), (480, 169144), (640, 126858), (768, 105715), (960, 84572), (1280, 63429), (1920, 42286), (3840, 21143)]