2172780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{12071}}^1$

素因数の和:12086

約数の個数: 36

約数和(自身を含む): 6591312

約数和(自身を除く): 4418532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 12071, 24142, 36213, 48284, 60355, 72426, 108639, 120710, 144852, 181065, 217278, 241420, 362130, 434556, 543195, 724260, 1086390, 2172780]

約数ペア:

[(1, 2172780), (2, 1086390), (3, 724260), (4, 543195), (5, 434556), (6, 362130), (9, 241420), (10, 217278), (12, 181065), (15, 144852), (18, 120710), (20, 108639), (30, 72426), (36, 60355), (45, 48284), (60, 36213), (90, 24142), (180, 12071)]