15950120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 39052800

約数和(自身を除く): 23102680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 677, 760, 1178, 1240, 1354, 2356, 2708, 2945, 3385, 4712, 5416, 5890, 6770, 11780, 12863, 13540, 20987, 23560, 25726, 27080, 41974, 51452, 64315, 83948, 102904, 104935, 128630, 167896, 209870, 257260, 398753, 419740, 514520, 797506, 839480, 1595012, 1993765, 3190024, 3987530, 7975060, 15950120]

約数ペア:

[(1, 15950120), (2, 7975060), (4, 3987530), (5, 3190024), (8, 1993765), (10, 1595012), (19, 839480), (20, 797506), (31, 514520), (38, 419740), (40, 398753), (62, 257260), (76, 209870), (95, 167896), (124, 128630), (152, 104935), (155, 102904), (190, 83948), (248, 64315), (310, 51452), (380, 41974), (589, 27080), (620, 25726), (677, 23560), (760, 20987), (1178, 13540), (1240, 12863), (1354, 11780), (2356, 6770), (2708, 5890), (2945, 5416), (3385, 4712)]