68991945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 60262455

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 59, 95, 165, 177, 209, 285, 295, 373, 627, 649, 885, 1045, 1119, 1121, 1865, 1947, 3135, 3245, 3363, 4103, 5595, 5605, 7087, 9735, 12309, 12331, 16815, 20515, 21261, 22007, 35435, 36993, 61545, 61655, 66021, 77957, 106305, 110035, 184965, 233871, 242077, 330105, 389785, 418133, 726231, 1169355, 1210385, 1254399, 2090665, 3631155, 4599463, 6271995, 13798389, 22997315, 68991945]

約数ペア:

[(1, 68991945), (3, 22997315), (5, 13798389), (11, 6271995), (15, 4599463), (19, 3631155), (33, 2090665), (55, 1254399), (57, 1210385), (59, 1169355), (95, 726231), (165, 418133), (177, 389785), (209, 330105), (285, 242077), (295, 233871), (373, 184965), (627, 110035), (649, 106305), (885, 77957), (1045, 66021), (1119, 61655), (1121, 61545), (1865, 36993), (1947, 35435), (3135, 22007), (3245, 21261), (3363, 20515), (4103, 16815), (5595, 12331), (5605, 12309), (7087, 9735)]