81379440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113027}}^1$

素因数の和:113046

約数の個数: 60

約数和(自身を含む): 273301704

約数和(自身を除く): 191922264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113027, 226054, 339081, 452108, 565135, 678162, 904216, 1017243, 1130270, 1356324, 1695405, 1808432, 2034486, 2260540, 2712648, 3390810, 4068972, 4521080, 5086215, 5425296, 6781620, 8137944, 9042160, 10172430, 13563240, 16275888, 20344860, 27126480, 40689720, 81379440]

約数ペア:

[(1, 81379440), (2, 40689720), (3, 27126480), (4, 20344860), (5, 16275888), (6, 13563240), (8, 10172430), (9, 9042160), (10, 8137944), (12, 6781620), (15, 5425296), (16, 5086215), (18, 4521080), (20, 4068972), (24, 3390810), (30, 2712648), (36, 2260540), (40, 2034486), (45, 1808432), (48, 1695405), (60, 1356324), (72, 1130270), (80, 1017243), (90, 904216), (120, 678162), (144, 565135), (180, 452108), (240, 339081), (360, 226054), (720, 113027)]