201420720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{279751}}^1$

素因数の和:279770

約数の個数: 60

約数和(自身を含む): 676440336

約数和(自身を除く): 475019616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 279751, 559502, 839253, 1119004, 1398755, 1678506, 2238008, 2517759, 2797510, 3357012, 4196265, 4476016, 5035518, 5595020, 6714024, 8392530, 10071036, 11190040, 12588795, 13428048, 16785060, 20142072, 22380080, 25177590, 33570120, 40284144, 50355180, 67140240, 100710360, 201420720]

約数ペア:

[(1, 201420720), (2, 100710360), (3, 67140240), (4, 50355180), (5, 40284144), (6, 33570120), (8, 25177590), (9, 22380080), (10, 20142072), (12, 16785060), (15, 13428048), (16, 12588795), (18, 11190040), (20, 10071036), (24, 8392530), (30, 6714024), (36, 5595020), (40, 5035518), (45, 4476016), (48, 4196265), (60, 3357012), (72, 2797510), (80, 2517759), (90, 2238008), (120, 1678506), (144, 1398755), (180, 1119004), (240, 839253), (360, 559502), (720, 279751)]