28211568660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1295297}}^1$

素因数の和:1295334

約数の個数: 108

約数和(自身を含む): 94061950164

約数和(自身を除く): 65850381504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 1295297, 2590594, 3885891, 5181188, 6476485, 7771782, 11657673, 12952970, 14248267, 15543564, 19429455, 23315346, 25905940, 28496534, 38858910, 42744801, 46630692, 56993068, 58288365, 71241335, 77717820, 85489602, 116576730, 128234403, 142482670, 156730937, 170979204, 213724005, 233153460, 256468806, 284965340, 313461874, 427448010, 470192811, 512937612, 626923748, 641172015, 783654685, 854896020, 940385622, 1282344030, 1410578433, 1567309370, 1880771244, 2350964055, 2564688060, 2821156866, 3134618740, 4701928110, 5642313732, 7052892165, 9403856220, 14105784330, 28211568660]

約数ペア:

[(1, 28211568660), (2, 14105784330), (3, 9403856220), (4, 7052892165), (5, 5642313732), (6, 4701928110), (9, 3134618740), (10, 2821156866), (11, 2564688060), (12, 2350964055), (15, 1880771244), (18, 1567309370), (20, 1410578433), (22, 1282344030), (30, 940385622), (33, 854896020), (36, 783654685), (44, 641172015), (45, 626923748), (55, 512937612), (60, 470192811), (66, 427448010), (90, 313461874), (99, 284965340), (110, 256468806), (121, 233153460), (132, 213724005), (165, 170979204), (180, 156730937), (198, 142482670), (220, 128234403), (242, 116576730), (330, 85489602), (363, 77717820), (396, 71241335), (484, 58288365), (495, 56993068), (605, 46630692), (660, 42744801), (726, 38858910), (990, 28496534), (1089, 25905940), (1210, 23315346), (1452, 19429455), (1815, 15543564), (1980, 14248267), (2178, 12952970), (2420, 11657673), (3630, 7771782), (4356, 6476485), (5445, 5181188), (7260, 3885891), (10890, 2590594), (21780, 1295297)]