1256163870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{21617}}^1$

素因数の和:21789

約数の個数: 64

約数和(自身を含む): 3268641600

約数和(自身を除く): 2012477730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 149, 195, 298, 390, 447, 745, 894, 1490, 1937, 2235, 3874, 4470, 5811, 9685, 11622, 19370, 21617, 29055, 43234, 58110, 64851, 108085, 129702, 216170, 281021, 324255, 562042, 648510, 843063, 1405105, 1686126, 2810210, 3220933, 4215315, 6441866, 8430630, 9662799, 16104665, 19325598, 32209330, 41872129, 48313995, 83744258, 96627990, 125616387, 209360645, 251232774, 418721290, 628081935, 1256163870]

約数ペア:

[(1, 1256163870), (2, 628081935), (3, 418721290), (5, 251232774), (6, 209360645), (10, 125616387), (13, 96627990), (15, 83744258), (26, 48313995), (30, 41872129), (39, 32209330), (65, 19325598), (78, 16104665), (130, 9662799), (149, 8430630), (195, 6441866), (298, 4215315), (390, 3220933), (447, 2810210), (745, 1686126), (894, 1405105), (1490, 843063), (1937, 648510), (2235, 562042), (3874, 324255), (4470, 281021), (5811, 216170), (9685, 129702), (11622, 108085), (19370, 64851), (21617, 58110), (29055, 43234)]