1812156660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{437719}}^1$

素因数の和:437757

約数の個数: 72

約数和(自身を含む): 5735882880

約数和(自身を除く): 3923726220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 437719, 875438, 1313157, 1750876, 2188595, 2626314, 3939471, 4377190, 5252628, 6565785, 7878942, 8754380, 10067537, 13131570, 15757884, 19697355, 20135074, 26263140, 30202611, 39394710, 40270148, 50337685, 60405222, 78789420, 90607833, 100675370, 120810444, 151013055, 181215666, 201350740, 302026110, 362431332, 453039165, 604052220, 906078330, 1812156660]

約数ペア:

[(1, 1812156660), (2, 906078330), (3, 604052220), (4, 453039165), (5, 362431332), (6, 302026110), (9, 201350740), (10, 181215666), (12, 151013055), (15, 120810444), (18, 100675370), (20, 90607833), (23, 78789420), (30, 60405222), (36, 50337685), (45, 40270148), (46, 39394710), (60, 30202611), (69, 26263140), (90, 20135074), (92, 19697355), (115, 15757884), (138, 13131570), (180, 10067537), (207, 8754380), (230, 7878942), (276, 6565785), (345, 5252628), (414, 4377190), (460, 3939471), (690, 2626314), (828, 2188595), (1035, 1750876), (1380, 1313157), (2070, 875438), (4140, 437719)]