19645440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1307

約数の個数: 88

約数和(自身を含む): 62883840

約数和(自身を除く): 43238400

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, 1279, 1280, 1536, 1920, 2558, 2560, 3072, 3837, 3840, 5116, 5120, 6395, 7674, 7680, 10232, 12790, 15348, 15360, 19185, 20464, 25580, 30696, 38370, 40928, 51160, 61392, 76740, 81856, 102320, 122784, 153480, 163712, 204640, 245568, 306960, 327424, 409280, 491136, 613920, 654848, 818560, 982272, 1227840, 1309696, 1637120, 1964544, 2455680, 3274240, 3929088, 4911360, 6548480, 9822720, 19645440]

約数ペア:

[(1, 19645440), (2, 9822720), (3, 6548480), (4, 4911360), (5, 3929088), (6, 3274240), (8, 2455680), (10, 1964544), (12, 1637120), (15, 1309696), (16, 1227840), (20, 982272), (24, 818560), (30, 654848), (32, 613920), (40, 491136), (48, 409280), (60, 327424), (64, 306960), (80, 245568), (96, 204640), (120, 163712), (128, 153480), (160, 122784), (192, 102320), (240, 81856), (256, 76740), (320, 61392), (384, 51160), (480, 40928), (512, 38370), (640, 30696), (768, 25580), (960, 20464), (1024, 19185), (1279, 15360), (1280, 15348), (1536, 12790), (1920, 10232), (2558, 7680), (2560, 7674), (3072, 6395), (3837, 5120), (3840, 5116)]