81281376

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25657}}^1$

素因数の和:25684

約数の個数: 72

約数和(自身を含む): 252166824

約数和(自身を除く): 170885448

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 25657, 51314, 76971, 102628, 153942, 205256, 230913, 282227, 307884, 410512, 461826, 564454, 615768, 821024, 846681, 923652, 1128908, 1231536, 1693362, 1847304, 2257816, 2463072, 2540043, 3386724, 3694608, 4515632, 5080086, 6773448, 7389216, 9031264, 10160172, 13546896, 20320344, 27093792, 40640688, 81281376]

約数ペア:

[(1, 81281376), (2, 40640688), (3, 27093792), (4, 20320344), (6, 13546896), (8, 10160172), (9, 9031264), (11, 7389216), (12, 6773448), (16, 5080086), (18, 4515632), (22, 3694608), (24, 3386724), (32, 2540043), (33, 2463072), (36, 2257816), (44, 1847304), (48, 1693362), (66, 1231536), (72, 1128908), (88, 923652), (96, 846681), (99, 821024), (132, 615768), (144, 564454), (176, 461826), (198, 410512), (264, 307884), (288, 282227), (352, 230913), (396, 205256), (528, 153942), (792, 102628), (1056, 76971), (1584, 51314), (3168, 25657)]