80976924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 234823680

約数和(自身を除く): 153846756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 383, 766, 839, 1149, 1532, 1678, 2298, 2517, 2681, 3356, 3447, 4596, 5034, 5362, 5873, 6894, 7551, 8043, 10068, 10724, 11746, 13788, 15102, 16086, 17619, 23492, 24129, 30204, 32172, 35238, 48258, 52857, 70476, 96516, 105714, 211428, 321337, 642674, 964011, 1285348, 1928022, 2249359, 2892033, 3856044, 4498718, 5784066, 6748077, 8997436, 11568132, 13496154, 20244231, 26992308, 40488462, 80976924]

約数ペア:

[(1, 80976924), (2, 40488462), (3, 26992308), (4, 20244231), (6, 13496154), (7, 11568132), (9, 8997436), (12, 6748077), (14, 5784066), (18, 4498718), (21, 3856044), (28, 2892033), (36, 2249359), (42, 1928022), (63, 1285348), (84, 964011), (126, 642674), (252, 321337), (383, 211428), (766, 105714), (839, 96516), (1149, 70476), (1532, 52857), (1678, 48258), (2298, 35238), (2517, 32172), (2681, 30204), (3356, 24129), (3447, 23492), (4596, 17619), (5034, 16086), (5362, 15102), (5873, 13788), (6894, 11746), (7551, 10724), (8043, 10068)]