247019040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{171541}}^1$

素因数の和:171562

約数の個数: 72

約数和(自身を含む): 842957388

約数和(自身を除く): 595938348

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 171541, 343082, 514623, 686164, 857705, 1029246, 1372328, 1543869, 1715410, 2058492, 2573115, 2744656, 3087738, 3430820, 4116984, 5146230, 5489312, 6175476, 6861640, 7719345, 8233968, 10292460, 12350952, 13723280, 15438690, 16467936, 20584920, 24701904, 27446560, 30877380, 41169840, 49403808, 61754760, 82339680, 123509520, 247019040]

約数ペア:

[(1, 247019040), (2, 123509520), (3, 82339680), (4, 61754760), (5, 49403808), (6, 41169840), (8, 30877380), (9, 27446560), (10, 24701904), (12, 20584920), (15, 16467936), (16, 15438690), (18, 13723280), (20, 12350952), (24, 10292460), (30, 8233968), (32, 7719345), (36, 6861640), (40, 6175476), (45, 5489312), (48, 5146230), (60, 4116984), (72, 3430820), (80, 3087738), (90, 2744656), (96, 2573115), (120, 2058492), (144, 1715410), (160, 1543869), (180, 1372328), (240, 1029246), (288, 857705), (360, 686164), (480, 514623), (720, 343082), (1440, 171541)]