77980980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16879}}^1$

素因数の和:16909

約数の個数: 96

約数和(自身を含む): 272240640

約数和(自身を除く): 194259660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 16879, 33758, 50637, 67516, 84395, 101274, 118153, 168790, 185669, 202548, 236306, 253185, 337580, 354459, 371338, 472612, 506370, 557007, 590765, 708918, 742676, 928345, 1012740, 1114014, 1181530, 1299683, 1417836, 1772295, 1856690, 2228028, 2363060, 2599366, 2785035, 3544590, 3713380, 3899049, 5198732, 5570070, 6498415, 7089180, 7798098, 11140140, 12996830, 15596196, 19495245, 25993660, 38990490, 77980980]

約数ペア:

[(1, 77980980), (2, 38990490), (3, 25993660), (4, 19495245), (5, 15596196), (6, 12996830), (7, 11140140), (10, 7798098), (11, 7089180), (12, 6498415), (14, 5570070), (15, 5198732), (20, 3899049), (21, 3713380), (22, 3544590), (28, 2785035), (30, 2599366), (33, 2363060), (35, 2228028), (42, 1856690), (44, 1772295), (55, 1417836), (60, 1299683), (66, 1181530), (70, 1114014), (77, 1012740), (84, 928345), (105, 742676), (110, 708918), (132, 590765), (140, 557007), (154, 506370), (165, 472612), (210, 371338), (220, 354459), (231, 337580), (308, 253185), (330, 236306), (385, 202548), (420, 185669), (462, 168790), (660, 118153), (770, 101274), (924, 84395), (1155, 67516), (1540, 50637), (2310, 33758), (4620, 16879)]