81039240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225109}}^1$

素因数の和:225126

約数の個数: 48

約数和(自身を含む): 263378700

約数和(自身を除く): 182339460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225109, 450218, 675327, 900436, 1125545, 1350654, 1800872, 2025981, 2251090, 2701308, 3376635, 4051962, 4502180, 5402616, 6753270, 8103924, 9004360, 10129905, 13506540, 16207848, 20259810, 27013080, 40519620, 81039240]

約数ペア:

[(1, 81039240), (2, 40519620), (3, 27013080), (4, 20259810), (5, 16207848), (6, 13506540), (8, 10129905), (9, 9004360), (10, 8103924), (12, 6753270), (15, 5402616), (18, 4502180), (20, 4051962), (24, 3376635), (30, 2701308), (36, 2251090), (40, 2025981), (45, 1800872), (60, 1350654), (72, 1125545), (90, 900436), (120, 675327), (180, 450218), (360, 225109)]