56431980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2591}}^1$

素因数の和:2628

約数の個数: 108

約数和(自身を含む): 188225856

約数和(自身を除く): 131793876

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, 2591, 3630, 4356, 5182, 5445, 7260, 7773, 10364, 10890, 12955, 15546, 21780, 23319, 25910, 28501, 31092, 38865, 46638, 51820, 57002, 77730, 85503, 93276, 114004, 116595, 142505, 155460, 171006, 233190, 256509, 285010, 313511, 342012, 427515, 466380, 513018, 570020, 627022, 855030, 940533, 1026036, 1254044, 1282545, 1567555, 1710060, 1881066, 2565090, 2821599, 3135110, 3762132, 4702665, 5130180, 5643198, 6270220, 9405330, 11286396, 14107995, 18810660, 28215990, 56431980]

約数ペア:

[(1, 56431980), (2, 28215990), (3, 18810660), (4, 14107995), (5, 11286396), (6, 9405330), (9, 6270220), (10, 5643198), (11, 5130180), (12, 4702665), (15, 3762132), (18, 3135110), (20, 2821599), (22, 2565090), (30, 1881066), (33, 1710060), (36, 1567555), (44, 1282545), (45, 1254044), (55, 1026036), (60, 940533), (66, 855030), (90, 627022), (99, 570020), (110, 513018), (121, 466380), (132, 427515), (165, 342012), (180, 313511), (198, 285010), (220, 256509), (242, 233190), (330, 171006), (363, 155460), (396, 142505), (484, 116595), (495, 114004), (605, 93276), (660, 85503), (726, 77730), (990, 57002), (1089, 51820), (1210, 46638), (1452, 38865), (1815, 31092), (1980, 28501), (2178, 25910), (2420, 23319), (2591, 21780), (3630, 15546), (4356, 12955), (5182, 10890), (5445, 10364), (7260, 7773)]