1280454876

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{10723}}^1$

素因数の和:10871

約数の個数: 72

約数和(自身を含む): 3372655104

約数和(自身を除く): 2092200228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 279, 321, 372, 428, 558, 642, 963, 1116, 1284, 1926, 3317, 3852, 6634, 9951, 10723, 13268, 19902, 21446, 29853, 32169, 39804, 42892, 59706, 64338, 96507, 119412, 128676, 193014, 332413, 386028, 664826, 997239, 1147361, 1329652, 1994478, 2294722, 2991717, 3442083, 3988956, 4589444, 5983434, 6884166, 10326249, 11966868, 13768332, 20652498, 35568191, 41304996, 71136382, 106704573, 142272764, 213409146, 320113719, 426818292, 640227438, 1280454876]

約数ペア:

[(1, 1280454876), (2, 640227438), (3, 426818292), (4, 320113719), (6, 213409146), (9, 142272764), (12, 106704573), (18, 71136382), (31, 41304996), (36, 35568191), (62, 20652498), (93, 13768332), (107, 11966868), (124, 10326249), (186, 6884166), (214, 5983434), (279, 4589444), (321, 3988956), (372, 3442083), (428, 2991717), (558, 2294722), (642, 1994478), (963, 1329652), (1116, 1147361), (1284, 997239), (1926, 664826), (3317, 386028), (3852, 332413), (6634, 193014), (9951, 128676), (10723, 119412), (13268, 96507), (19902, 64338), (21446, 59706), (29853, 42892), (32169, 39804)]