2154000870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1139683}}^1$

素因数の和:1139706

約数の個数: 64

約数和(自身を含む): 6564579840

約数和(自身を除く): 4410578970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 1139683, 2279366, 3419049, 5698415, 6838098, 7977781, 10257147, 11396830, 15955562, 17095245, 20514294, 23933343, 30771441, 34190490, 39888905, 47866686, 51285735, 61542882, 71800029, 79777810, 102571470, 119666715, 143600058, 153857205, 215400087, 239333430, 307714410, 359000145, 430800174, 718000290, 1077000435, 2154000870]

約数ペア:

[(1, 2154000870), (2, 1077000435), (3, 718000290), (5, 430800174), (6, 359000145), (7, 307714410), (9, 239333430), (10, 215400087), (14, 153857205), (15, 143600058), (18, 119666715), (21, 102571470), (27, 79777810), (30, 71800029), (35, 61542882), (42, 51285735), (45, 47866686), (54, 39888905), (63, 34190490), (70, 30771441), (90, 23933343), (105, 20514294), (126, 17095245), (135, 15955562), (189, 11396830), (210, 10257147), (270, 7977781), (315, 6838098), (378, 5698415), (630, 3419049), (945, 2279366), (1890, 1139683)]