80104140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 253571472

約数和(自身を除く): 173467332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 251, 270, 324, 394, 405, 502, 540, 591, 753, 788, 810, 985, 1004, 1182, 1255, 1506, 1620, 1773, 1970, 2259, 2364, 2510, 2955, 3012, 3546, 3765, 3940, 4518, 5020, 5319, 5910, 6777, 7092, 7530, 8865, 9036, 10638, 11295, 11820, 13554, 15060, 15957, 17730, 20331, 21276, 22590, 26595, 27108, 31914, 33885, 35460, 40662, 45180, 49447, 53190, 63828, 67770, 79785, 81324, 98894, 101655, 106380, 135540, 148341, 159570, 197788, 203310, 247235, 296682, 319140, 406620, 445023, 494470, 593364, 741705, 890046, 988940, 1335069, 1483410, 1780092, 2225115, 2670138, 2966820, 4005207, 4450230, 5340276, 6675345, 8010414, 8900460, 13350690, 16020828, 20026035, 26701380, 40052070, 80104140]

約数ペア:

[(1, 80104140), (2, 40052070), (3, 26701380), (4, 20026035), (5, 16020828), (6, 13350690), (9, 8900460), (10, 8010414), (12, 6675345), (15, 5340276), (18, 4450230), (20, 4005207), (27, 2966820), (30, 2670138), (36, 2225115), (45, 1780092), (54, 1483410), (60, 1335069), (81, 988940), (90, 890046), (108, 741705), (135, 593364), (162, 494470), (180, 445023), (197, 406620), (251, 319140), (270, 296682), (324, 247235), (394, 203310), (405, 197788), (502, 159570), (540, 148341), (591, 135540), (753, 106380), (788, 101655), (810, 98894), (985, 81324), (1004, 79785), (1182, 67770), (1255, 63828), (1506, 53190), (1620, 49447), (1773, 45180), (1970, 40662), (2259, 35460), (2364, 33885), (2510, 31914), (2955, 27108), (3012, 26595), (3546, 22590), (3765, 21276), (3940, 20331), (4518, 17730), (5020, 15957), (5319, 15060), (5910, 13554), (6777, 11820), (7092, 11295), (7530, 10638), (8865, 9036)]