80705280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21017}}^1$

素因数の和:21041

約数の個数: 72

約数和(自身を含む): 257764752

約数和(自身を除く): 177059472

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, 21017, 42034, 63051, 84068, 105085, 126102, 168136, 210170, 252204, 315255, 336272, 420340, 504408, 630510, 672544, 840680, 1008816, 1261020, 1345088, 1681360, 2017632, 2522040, 2690176, 3362720, 4035264, 5044080, 5380352, 6725440, 8070528, 10088160, 13450880, 16141056, 20176320, 26901760, 40352640, 80705280]

約数ペア:

[(1, 80705280), (2, 40352640), (3, 26901760), (4, 20176320), (5, 16141056), (6, 13450880), (8, 10088160), (10, 8070528), (12, 6725440), (15, 5380352), (16, 5044080), (20, 4035264), (24, 3362720), (30, 2690176), (32, 2522040), (40, 2017632), (48, 1681360), (60, 1345088), (64, 1261020), (80, 1008816), (96, 840680), (120, 672544), (128, 630510), (160, 504408), (192, 420340), (240, 336272), (256, 315255), (320, 252204), (384, 210170), (480, 168136), (640, 126102), (768, 105085), (960, 84068), (1280, 63051), (1920, 42034), (3840, 21017)]