51722640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71837}}^1$

素因数の和:71856

約数の個数: 60

約数和(自身を含む): 173704284

約数和(自身を除く): 121981644

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, 71837, 143674, 215511, 287348, 359185, 431022, 574696, 646533, 718370, 862044, 1077555, 1149392, 1293066, 1436740, 1724088, 2155110, 2586132, 2873480, 3232665, 3448176, 4310220, 5172264, 5746960, 6465330, 8620440, 10344528, 12930660, 17240880, 25861320, 51722640]

約数ペア:

[(1, 51722640), (2, 25861320), (3, 17240880), (4, 12930660), (5, 10344528), (6, 8620440), (8, 6465330), (9, 5746960), (10, 5172264), (12, 4310220), (15, 3448176), (16, 3232665), (18, 2873480), (20, 2586132), (24, 2155110), (30, 1724088), (36, 1436740), (40, 1293066), (45, 1149392), (48, 1077555), (60, 862044), (72, 718370), (80, 646533), (90, 574696), (120, 431022), (144, 359185), (180, 287348), (240, 215511), (360, 143674), (720, 71837)]