80273340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63709}}^1$

素因数の和:63731

約数の個数: 72

約数和(自身を含む): 278285280

約数和(自身を除く): 198011940

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, 63709, 127418, 191127, 254836, 318545, 382254, 445963, 573381, 637090, 764508, 891926, 955635, 1146762, 1274180, 1337889, 1783852, 1911270, 2229815, 2293524, 2675778, 2866905, 3822540, 4013667, 4459630, 5351556, 5733810, 6689445, 8027334, 8919260, 11467620, 13378890, 16054668, 20068335, 26757780, 40136670, 80273340]

約数ペア:

[(1, 80273340), (2, 40136670), (3, 26757780), (4, 20068335), (5, 16054668), (6, 13378890), (7, 11467620), (9, 8919260), (10, 8027334), (12, 6689445), (14, 5733810), (15, 5351556), (18, 4459630), (20, 4013667), (21, 3822540), (28, 2866905), (30, 2675778), (35, 2293524), (36, 2229815), (42, 1911270), (45, 1783852), (60, 1337889), (63, 1274180), (70, 1146762), (84, 955635), (90, 891926), (105, 764508), (126, 637090), (140, 573381), (180, 445963), (210, 382254), (252, 318545), (315, 254836), (420, 191127), (630, 127418), (1260, 63709)]