505879380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20219}}^1$

素因数の和:20373

約数の個数: 72

約数和(自身を含む): 1545616800

約数和(自身を除く): 1039737420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 20219, 25020, 40438, 60657, 80876, 101095, 121314, 181971, 202190, 242628, 303285, 363942, 404380, 606570, 727884, 909855, 1213140, 1819710, 2810441, 3639420, 5620882, 8431323, 11241764, 14052205, 16862646, 25293969, 28104410, 33725292, 42156615, 50587938, 56208820, 84313230, 101175876, 126469845, 168626460, 252939690, 505879380]

約数ペア:

[(1, 505879380), (2, 252939690), (3, 168626460), (4, 126469845), (5, 101175876), (6, 84313230), (9, 56208820), (10, 50587938), (12, 42156615), (15, 33725292), (18, 28104410), (20, 25293969), (30, 16862646), (36, 14052205), (45, 11241764), (60, 8431323), (90, 5620882), (139, 3639420), (180, 2810441), (278, 1819710), (417, 1213140), (556, 909855), (695, 727884), (834, 606570), (1251, 404380), (1390, 363942), (1668, 303285), (2085, 242628), (2502, 202190), (2780, 181971), (4170, 121314), (5004, 101095), (6255, 80876), (8340, 60657), (12510, 40438), (20219, 25020)]