1555580628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{6229}}^1$

素因数の和:7237

約数の個数: 72

約数和(自身を含む): 4499156480

約数和(自身を除く): 2943575852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 991, 1982, 2973, 3964, 5946, 6229, 6937, 8919, 11892, 12458, 13874, 17838, 18687, 20811, 24916, 27748, 35676, 37374, 41622, 43603, 56061, 62433, 74748, 83244, 87206, 112122, 124866, 130809, 174412, 224244, 249732, 261618, 392427, 523236, 784854, 1569708, 6172939, 12345878, 18518817, 24691756, 37037634, 43210573, 55556451, 74075268, 86421146, 111112902, 129631719, 172842292, 222225804, 259263438, 388895157, 518526876, 777790314, 1555580628]

約数ペア:

[(1, 1555580628), (2, 777790314), (3, 518526876), (4, 388895157), (6, 259263438), (7, 222225804), (9, 172842292), (12, 129631719), (14, 111112902), (18, 86421146), (21, 74075268), (28, 55556451), (36, 43210573), (42, 37037634), (63, 24691756), (84, 18518817), (126, 12345878), (252, 6172939), (991, 1569708), (1982, 784854), (2973, 523236), (3964, 392427), (5946, 261618), (6229, 249732), (6937, 224244), (8919, 174412), (11892, 130809), (12458, 124866), (13874, 112122), (17838, 87206), (18687, 83244), (20811, 74748), (24916, 62433), (27748, 56061), (35676, 43603), (37374, 41622)]