81897240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9349}}^1$

素因数の和:9436

約数の個数: 64

約数和(自身を含む): 249084000

約数和(自身を除く): 167186760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 9349, 18698, 28047, 37396, 46745, 56094, 74792, 93490, 112188, 140235, 186980, 224376, 280470, 373960, 560940, 682477, 1121880, 1364954, 2047431, 2729908, 3412385, 4094862, 5459816, 6824770, 8189724, 10237155, 13649540, 16379448, 20474310, 27299080, 40948620, 81897240]

約数ペア:

[(1, 81897240), (2, 40948620), (3, 27299080), (4, 20474310), (5, 16379448), (6, 13649540), (8, 10237155), (10, 8189724), (12, 6824770), (15, 5459816), (20, 4094862), (24, 3412385), (30, 2729908), (40, 2047431), (60, 1364954), (73, 1121880), (120, 682477), (146, 560940), (219, 373960), (292, 280470), (365, 224376), (438, 186980), (584, 140235), (730, 112188), (876, 93490), (1095, 74792), (1460, 56094), (1752, 46745), (2190, 37396), (2920, 28047), (4380, 18698), (8760, 9349)]