81541950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{77659}}^1$

素因数の和:77681

約数の個数: 48

約数和(自身を含む): 231116160

約数和(自身を除く): 149574210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 77659, 155318, 232977, 388295, 465954, 543613, 776590, 1087226, 1164885, 1630839, 1941475, 2329770, 2718065, 3261678, 3882950, 5436130, 5824425, 8154195, 11648850, 13590325, 16308390, 27180650, 40770975, 81541950]

約数ペア:

[(1, 81541950), (2, 40770975), (3, 27180650), (5, 16308390), (6, 13590325), (7, 11648850), (10, 8154195), (14, 5824425), (15, 5436130), (21, 3882950), (25, 3261678), (30, 2718065), (35, 2329770), (42, 1941475), (50, 1630839), (70, 1164885), (75, 1087226), (105, 776590), (150, 543613), (175, 465954), (210, 388295), (350, 232977), (525, 155318), (1050, 77659)]