20120778540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{176591}}^1$

素因数の和:176820

約数の個数: 96

約数和(自身を含む): 62895006720

約数和(自身を除く): 42774228180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 211, 270, 422, 540, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 5697, 6330, 7596, 9495, 11394, 12660, 18990, 22788, 28485, 37980, 56970, 113940, 176591, 353182, 529773, 706364, 882955, 1059546, 1589319, 1765910, 2119092, 2648865, 3178638, 3531820, 4767957, 5297730, 6357276, 7946595, 9535914, 10595460, 15893190, 19071828, 23839785, 31786380, 37260701, 47679570, 74521402, 95359140, 111782103, 149042804, 186303505, 223564206, 335346309, 372607010, 447128412, 558910515, 670692618, 745214020, 1006038927, 1117821030, 1341385236, 1676731545, 2012077854, 2235642060, 3353463090, 4024155708, 5030194635, 6706926180, 10060389270, 20120778540]

約数ペア:

[(1, 20120778540), (2, 10060389270), (3, 6706926180), (4, 5030194635), (5, 4024155708), (6, 3353463090), (9, 2235642060), (10, 2012077854), (12, 1676731545), (15, 1341385236), (18, 1117821030), (20, 1006038927), (27, 745214020), (30, 670692618), (36, 558910515), (45, 447128412), (54, 372607010), (60, 335346309), (90, 223564206), (108, 186303505), (135, 149042804), (180, 111782103), (211, 95359140), (270, 74521402), (422, 47679570), (540, 37260701), (633, 31786380), (844, 23839785), (1055, 19071828), (1266, 15893190), (1899, 10595460), (2110, 9535914), (2532, 7946595), (3165, 6357276), (3798, 5297730), (4220, 4767957), (5697, 3531820), (6330, 3178638), (7596, 2648865), (9495, 2119092), (11394, 1765910), (12660, 1589319), (18990, 1059546), (22788, 882955), (28485, 706364), (37980, 529773), (56970, 353182), (113940, 176591)]