81212280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6977}}^1$

素因数の和:7088

約数の個数: 64

約数和(自身を含む): 246183840

約数和(自身を除く): 164971560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6977, 11640, 13954, 20931, 27908, 34885, 41862, 55816, 69770, 83724, 104655, 139540, 167448, 209310, 279080, 418620, 676769, 837240, 1353538, 2030307, 2707076, 3383845, 4060614, 5414152, 6767690, 8121228, 10151535, 13535380, 16242456, 20303070, 27070760, 40606140, 81212280]

約数ペア:

[(1, 81212280), (2, 40606140), (3, 27070760), (4, 20303070), (5, 16242456), (6, 13535380), (8, 10151535), (10, 8121228), (12, 6767690), (15, 5414152), (20, 4060614), (24, 3383845), (30, 2707076), (40, 2030307), (60, 1353538), (97, 837240), (120, 676769), (194, 418620), (291, 279080), (388, 209310), (485, 167448), (582, 139540), (776, 104655), (970, 83724), (1164, 69770), (1455, 55816), (1940, 41862), (2328, 34885), (2910, 27908), (3880, 20931), (5820, 13954), (6977, 11640)]