640447632

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{404323}}^1$

素因数の和:404348

約数の個数: 60

約数和(自身を含む): 1955310864

約数和(自身を除く): 1314863232

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 404323, 808646, 1212969, 1617292, 2425938, 3234584, 3638907, 4447553, 4851876, 6469168, 7277814, 8895106, 9703752, 13342659, 14555628, 17790212, 19407504, 26685318, 29111256, 35580424, 40027977, 53370636, 58222512, 71160848, 80055954, 106741272, 160111908, 213482544, 320223816, 640447632]

約数ペア:

[(1, 640447632), (2, 320223816), (3, 213482544), (4, 160111908), (6, 106741272), (8, 80055954), (9, 71160848), (11, 58222512), (12, 53370636), (16, 40027977), (18, 35580424), (22, 29111256), (24, 26685318), (33, 19407504), (36, 17790212), (44, 14555628), (48, 13342659), (66, 9703752), (72, 8895106), (88, 7277814), (99, 6469168), (132, 4851876), (144, 4447553), (176, 3638907), (198, 3234584), (264, 2425938), (396, 1617292), (528, 1212969), (792, 808646), (1584, 404323)]