80355420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8423}}^1$

素因数の和:8491

約数の個数: 72

約数和(自身を含む): 248373216

約数和(自身を除く): 168017796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 8423, 9540, 16846, 25269, 33692, 42115, 50538, 75807, 84230, 101076, 126345, 151614, 168460, 252690, 303228, 379035, 446419, 505380, 758070, 892838, 1339257, 1516140, 1785676, 2232095, 2678514, 4017771, 4464190, 5357028, 6696285, 8035542, 8928380, 13392570, 16071084, 20088855, 26785140, 40177710, 80355420]

約数ペア:

[(1, 80355420), (2, 40177710), (3, 26785140), (4, 20088855), (5, 16071084), (6, 13392570), (9, 8928380), (10, 8035542), (12, 6696285), (15, 5357028), (18, 4464190), (20, 4017771), (30, 2678514), (36, 2232095), (45, 1785676), (53, 1516140), (60, 1339257), (90, 892838), (106, 758070), (159, 505380), (180, 446419), (212, 379035), (265, 303228), (318, 252690), (477, 168460), (530, 151614), (636, 126345), (795, 101076), (954, 84230), (1060, 75807), (1590, 50538), (1908, 42115), (2385, 33692), (3180, 25269), (4770, 16846), (8423, 9540)]