628681380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{66739}}^1$

素因数の和:66908

約数の個数: 48

約数和(自身を含む): 1771546560

約数和(自身を除く): 1142865180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 66739, 133478, 200217, 266956, 333695, 400434, 667390, 800868, 1001085, 1334780, 2002170, 4004340, 10478023, 20956046, 31434069, 41912092, 52390115, 62868138, 104780230, 125736276, 157170345, 209560460, 314340690, 628681380]

約数ペア:

[(1, 628681380), (2, 314340690), (3, 209560460), (4, 157170345), (5, 125736276), (6, 104780230), (10, 62868138), (12, 52390115), (15, 41912092), (20, 31434069), (30, 20956046), (60, 10478023), (157, 4004340), (314, 2002170), (471, 1334780), (628, 1001085), (785, 800868), (942, 667390), (1570, 400434), (1884, 333695), (2355, 266956), (3140, 200217), (4710, 133478), (9420, 66739)]