28685520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39841}}^1$

素因数の和:39860

約数の個数: 60

約数和(自身を含む): 96337956

約数和(自身を除く): 67652436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39841, 79682, 119523, 159364, 199205, 239046, 318728, 358569, 398410, 478092, 597615, 637456, 717138, 796820, 956184, 1195230, 1434276, 1593640, 1792845, 1912368, 2390460, 2868552, 3187280, 3585690, 4780920, 5737104, 7171380, 9561840, 14342760, 28685520]

約数ペア:

[(1, 28685520), (2, 14342760), (3, 9561840), (4, 7171380), (5, 5737104), (6, 4780920), (8, 3585690), (9, 3187280), (10, 2868552), (12, 2390460), (15, 1912368), (16, 1792845), (18, 1593640), (20, 1434276), (24, 1195230), (30, 956184), (36, 796820), (40, 717138), (45, 637456), (48, 597615), (60, 478092), (72, 398410), (80, 358569), (90, 318728), (120, 239046), (144, 199205), (180, 159364), (240, 119523), (360, 79682), (720, 39841)]