323747440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 767986560

約数和(自身を除く): 444239120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 137, 218, 271, 274, 436, 542, 545, 548, 685, 872, 1084, 1090, 1096, 1355, 1370, 1744, 2168, 2180, 2192, 2710, 2740, 4336, 4360, 5420, 5480, 8720, 10840, 10960, 14933, 21680, 29539, 29866, 37127, 59078, 59732, 74254, 74665, 118156, 119464, 147695, 148508, 149330, 185635, 236312, 238928, 295390, 297016, 298660, 371270, 472624, 590780, 594032, 597320, 742540, 1181560, 1194640, 1485080, 2363120, 2970160, 4046843, 8093686, 16187372, 20234215, 32374744, 40468430, 64749488, 80936860, 161873720, 323747440]

約数ペア:

[(1, 323747440), (2, 161873720), (4, 80936860), (5, 64749488), (8, 40468430), (10, 32374744), (16, 20234215), (20, 16187372), (40, 8093686), (80, 4046843), (109, 2970160), (137, 2363120), (218, 1485080), (271, 1194640), (274, 1181560), (436, 742540), (542, 597320), (545, 594032), (548, 590780), (685, 472624), (872, 371270), (1084, 298660), (1090, 297016), (1096, 295390), (1355, 238928), (1370, 236312), (1744, 185635), (2168, 149330), (2180, 148508), (2192, 147695), (2710, 119464), (2740, 118156), (4336, 74665), (4360, 74254), (5420, 59732), (5480, 59078), (8720, 37127), (10840, 29866), (10960, 29539), (14933, 21680)]