127394840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 294624000

約数和(自身を除く): 167229160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 305, 436, 479, 488, 545, 610, 872, 958, 1090, 1220, 1916, 2180, 2395, 2440, 3832, 4360, 4790, 6649, 9580, 13298, 19160, 26596, 29219, 33245, 52211, 53192, 58438, 66490, 104422, 116876, 132980, 146095, 208844, 233752, 261055, 265960, 292190, 417688, 522110, 584380, 1044220, 1168760, 2088440, 3184871, 6369742, 12739484, 15924355, 25478968, 31848710, 63697420, 127394840]

約数ペア:

[(1, 127394840), (2, 63697420), (4, 31848710), (5, 25478968), (8, 15924355), (10, 12739484), (20, 6369742), (40, 3184871), (61, 2088440), (109, 1168760), (122, 1044220), (218, 584380), (244, 522110), (305, 417688), (436, 292190), (479, 265960), (488, 261055), (545, 233752), (610, 208844), (872, 146095), (958, 132980), (1090, 116876), (1220, 104422), (1916, 66490), (2180, 58438), (2395, 53192), (2440, 52211), (3832, 33245), (4360, 29219), (4790, 26596), (6649, 19160), (9580, 13298)]