355261520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 842624640

約数和(自身を除く): 487363120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 131, 218, 262, 311, 436, 524, 545, 622, 655, 872, 1048, 1090, 1244, 1310, 1555, 1744, 2096, 2180, 2488, 2620, 3110, 4360, 4976, 5240, 6220, 8720, 10480, 12440, 14279, 24880, 28558, 33899, 40741, 57116, 67798, 71395, 81482, 114232, 135596, 142790, 162964, 169495, 203705, 228464, 271192, 285580, 325928, 338990, 407410, 542384, 571160, 651856, 677980, 814820, 1142320, 1355960, 1629640, 2711920, 3259280, 4440769, 8881538, 17763076, 22203845, 35526152, 44407690, 71052304, 88815380, 177630760, 355261520]

約数ペア:

[(1, 355261520), (2, 177630760), (4, 88815380), (5, 71052304), (8, 44407690), (10, 35526152), (16, 22203845), (20, 17763076), (40, 8881538), (80, 4440769), (109, 3259280), (131, 2711920), (218, 1629640), (262, 1355960), (311, 1142320), (436, 814820), (524, 677980), (545, 651856), (622, 571160), (655, 542384), (872, 407410), (1048, 338990), (1090, 325928), (1244, 285580), (1310, 271192), (1555, 228464), (1744, 203705), (2096, 169495), (2180, 162964), (2488, 142790), (2620, 135596), (3110, 114232), (4360, 81482), (4976, 71395), (5240, 67798), (6220, 57116), (8720, 40741), (10480, 33899), (12440, 28558), (14279, 24880)]