80604540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{787}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 245241360

約数和(自身を除く): 164636820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 787, 1138, 1574, 1707, 2276, 2361, 2845, 3148, 3414, 3935, 4722, 5121, 5690, 6828, 7083, 7870, 8535, 9444, 10242, 11380, 11805, 14166, 15740, 17070, 20484, 23610, 25605, 28332, 34140, 35415, 47220, 51210, 70830, 102420, 141660, 447803, 895606, 1343409, 1791212, 2239015, 2686818, 4030227, 4478030, 5373636, 6717045, 8060454, 8956060, 13434090, 16120908, 20151135, 26868180, 40302270, 80604540]

約数ペア:

[(1, 80604540), (2, 40302270), (3, 26868180), (4, 20151135), (5, 16120908), (6, 13434090), (9, 8956060), (10, 8060454), (12, 6717045), (15, 5373636), (18, 4478030), (20, 4030227), (30, 2686818), (36, 2239015), (45, 1791212), (60, 1343409), (90, 895606), (180, 447803), (569, 141660), (787, 102420), (1138, 70830), (1574, 51210), (1707, 47220), (2276, 35415), (2361, 34140), (2845, 28332), (3148, 25605), (3414, 23610), (3935, 20484), (4722, 17070), (5121, 15740), (5690, 14166), (6828, 11805), (7083, 11380), (7870, 10242), (8535, 9444)]