210006540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{388901}}^1$

素因数の和:388919

約数の個数: 48

約数和(自身を含む): 653355360

約数和(自身を除く): 443348820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 388901, 777802, 1166703, 1555604, 1944505, 2333406, 3500109, 3889010, 4666812, 5833515, 7000218, 7778020, 10500327, 11667030, 14000436, 17500545, 21000654, 23334060, 35001090, 42001308, 52501635, 70002180, 105003270, 210006540]

約数ペア:

[(1, 210006540), (2, 105003270), (3, 70002180), (4, 52501635), (5, 42001308), (6, 35001090), (9, 23334060), (10, 21000654), (12, 17500545), (15, 14000436), (18, 11667030), (20, 10500327), (27, 7778020), (30, 7000218), (36, 5833515), (45, 4666812), (54, 3889010), (60, 3500109), (90, 2333406), (108, 1944505), (135, 1555604), (180, 1166703), (270, 777802), (540, 388901)]