80379180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63793}}^1$

素因数の和:63815

約数の個数: 72

約数和(自身を含む): 278652192

約数和(自身を除く): 198273012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63793, 127586, 191379, 255172, 318965, 382758, 446551, 574137, 637930, 765516, 893102, 956895, 1148274, 1275860, 1339653, 1786204, 1913790, 2232755, 2296548, 2679306, 2870685, 3827580, 4018959, 4465510, 5358612, 5741370, 6698265, 8037918, 8931020, 11482740, 13396530, 16075836, 20094795, 26793060, 40189590, 80379180]

約数ペア:

[(1, 80379180), (2, 40189590), (3, 26793060), (4, 20094795), (5, 16075836), (6, 13396530), (7, 11482740), (9, 8931020), (10, 8037918), (12, 6698265), (14, 5741370), (15, 5358612), (18, 4465510), (20, 4018959), (21, 3827580), (28, 2870685), (30, 2679306), (35, 2296548), (36, 2232755), (42, 1913790), (45, 1786204), (60, 1339653), (63, 1275860), (70, 1148274), (84, 956895), (90, 893102), (105, 765516), (126, 637930), (140, 574137), (180, 446551), (210, 382758), (252, 318965), (315, 255172), (420, 191379), (630, 127586), (1260, 63793)]