1619968860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{290317}}^1$

素因数の和:290363

約数の個数: 72

約数和(自身を含む): 5072436096

約数和(自身を除く): 3452467236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 290317, 580634, 870951, 1161268, 1451585, 1741902, 2612853, 2903170, 3483804, 4354755, 5225706, 5806340, 8709510, 8999827, 10451412, 13064265, 17419020, 17999654, 26128530, 26999481, 35999308, 44999135, 52257060, 53998962, 80998443, 89998270, 107997924, 134997405, 161996886, 179996540, 269994810, 323993772, 404992215, 539989620, 809984430, 1619968860]

約数ペア:

[(1, 1619968860), (2, 809984430), (3, 539989620), (4, 404992215), (5, 323993772), (6, 269994810), (9, 179996540), (10, 161996886), (12, 134997405), (15, 107997924), (18, 89998270), (20, 80998443), (30, 53998962), (31, 52257060), (36, 44999135), (45, 35999308), (60, 26999481), (62, 26128530), (90, 17999654), (93, 17419020), (124, 13064265), (155, 10451412), (180, 8999827), (186, 8709510), (279, 5806340), (310, 5225706), (372, 4354755), (465, 3483804), (558, 2903170), (620, 2612853), (930, 1741902), (1116, 1451585), (1395, 1161268), (1860, 870951), (2790, 580634), (5580, 290317)]