128024715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 255854592

約数和(自身を除く): 127829877

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 71, 91, 105, 195, 213, 273, 355, 455, 497, 923, 1065, 1321, 1365, 1491, 2485, 2769, 3963, 4615, 6461, 6605, 7455, 9247, 13845, 17173, 19383, 19815, 27741, 32305, 46235, 51519, 85865, 93791, 96915, 120211, 138705, 257595, 281373, 360633, 468955, 601055, 656537, 1219283, 1406865, 1803165, 1969611, 3282685, 3657849, 6096415, 8534981, 9848055, 18289245, 25604943, 42674905, 128024715]

約数ペア:

[(1, 128024715), (3, 42674905), (5, 25604943), (7, 18289245), (13, 9848055), (15, 8534981), (21, 6096415), (35, 3657849), (39, 3282685), (65, 1969611), (71, 1803165), (91, 1406865), (105, 1219283), (195, 656537), (213, 601055), (273, 468955), (355, 360633), (455, 281373), (497, 257595), (923, 138705), (1065, 120211), (1321, 96915), (1365, 93791), (1491, 85865), (2485, 51519), (2769, 46235), (3963, 32305), (4615, 27741), (6461, 19815), (6605, 19383), (7455, 17173), (9247, 13845)]