71438040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{198439}}^1$

素因数の和:198456

約数の個数: 48

約数和(自身を含む): 232174800

約数和(自身を除く): 160736760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 198439, 396878, 595317, 793756, 992195, 1190634, 1587512, 1785951, 1984390, 2381268, 2976585, 3571902, 3968780, 4762536, 5953170, 7143804, 7937560, 8929755, 11906340, 14287608, 17859510, 23812680, 35719020, 71438040]

約数ペア:

[(1, 71438040), (2, 35719020), (3, 23812680), (4, 17859510), (5, 14287608), (6, 11906340), (8, 8929755), (9, 7937560), (10, 7143804), (12, 5953170), (15, 4762536), (18, 3968780), (20, 3571902), (24, 2976585), (30, 2381268), (36, 1984390), (40, 1785951), (45, 1587512), (60, 1190634), (72, 992195), (90, 793756), (120, 595317), (180, 396878), (360, 198439)]