66568740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 214099200

約数和(自身を除く): 147530460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 353, 420, 449, 706, 898, 1059, 1347, 1412, 1765, 1796, 2118, 2245, 2471, 2694, 3143, 3530, 4236, 4490, 4942, 5295, 5388, 6286, 6735, 7060, 7413, 8980, 9429, 9884, 10590, 12355, 12572, 13470, 14826, 15715, 18858, 21180, 24710, 26940, 29652, 31430, 37065, 37716, 47145, 49420, 62860, 74130, 94290, 148260, 158497, 188580, 316994, 475491, 633988, 792485, 950982, 1109479, 1584970, 1901964, 2218958, 2377455, 3169940, 3328437, 4437916, 4754910, 5547395, 6656874, 9509820, 11094790, 13313748, 16642185, 22189580, 33284370, 66568740]

約数ペア:

[(1, 66568740), (2, 33284370), (3, 22189580), (4, 16642185), (5, 13313748), (6, 11094790), (7, 9509820), (10, 6656874), (12, 5547395), (14, 4754910), (15, 4437916), (20, 3328437), (21, 3169940), (28, 2377455), (30, 2218958), (35, 1901964), (42, 1584970), (60, 1109479), (70, 950982), (84, 792485), (105, 633988), (140, 475491), (210, 316994), (353, 188580), (420, 158497), (449, 148260), (706, 94290), (898, 74130), (1059, 62860), (1347, 49420), (1412, 47145), (1765, 37716), (1796, 37065), (2118, 31430), (2245, 29652), (2471, 26940), (2694, 24710), (3143, 21180), (3530, 18858), (4236, 15715), (4490, 14826), (4942, 13470), (5295, 12572), (5388, 12355), (6286, 10590), (6735, 9884), (7060, 9429), (7413, 8980)]