171874620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 542269728

約数和(自身を除く): 370395108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 131, 148, 180, 185, 197, 222, 262, 333, 370, 393, 394, 444, 524, 555, 591, 655, 666, 740, 786, 788, 985, 1110, 1179, 1182, 1310, 1332, 1572, 1665, 1773, 1965, 1970, 2220, 2358, 2364, 2620, 2955, 3330, 3546, 3930, 3940, 4716, 4847, 5895, 5910, 6660, 7092, 7289, 7860, 8865, 9694, 11790, 11820, 14541, 14578, 17730, 19388, 21867, 23580, 24235, 25807, 29082, 29156, 35460, 36445, 43623, 43734, 48470, 51614, 58164, 65601, 72705, 72890, 77421, 87246, 87468, 96940, 103228, 109335, 129035, 131202, 145410, 145780, 154842, 174492, 218115, 218670, 232263, 258070, 262404, 290820, 309684, 328005, 387105, 436230, 437340, 464526, 516140, 656010, 774210, 872460, 929052, 954859, 1161315, 1312020, 1548420, 1909718, 2322630, 2864577, 3819436, 4645260, 4774295, 5729154, 8593731, 9548590, 11458308, 14322885, 17187462, 19097180, 28645770, 34374924, 42968655, 57291540, 85937310, 171874620]

約数ペア:

[(1, 171874620), (2, 85937310), (3, 57291540), (4, 42968655), (5, 34374924), (6, 28645770), (9, 19097180), (10, 17187462), (12, 14322885), (15, 11458308), (18, 9548590), (20, 8593731), (30, 5729154), (36, 4774295), (37, 4645260), (45, 3819436), (60, 2864577), (74, 2322630), (90, 1909718), (111, 1548420), (131, 1312020), (148, 1161315), (180, 954859), (185, 929052), (197, 872460), (222, 774210), (262, 656010), (333, 516140), (370, 464526), (393, 437340), (394, 436230), (444, 387105), (524, 328005), (555, 309684), (591, 290820), (655, 262404), (666, 258070), (740, 232263), (786, 218670), (788, 218115), (985, 174492), (1110, 154842), (1179, 145780), (1182, 145410), (1310, 131202), (1332, 129035), (1572, 109335), (1665, 103228), (1773, 96940), (1965, 87468), (1970, 87246), (2220, 77421), (2358, 72890), (2364, 72705), (2620, 65601), (2955, 58164), (3330, 51614), (3546, 48470), (3930, 43734), (3940, 43623), (4716, 36445), (4847, 35460), (5895, 29156), (5910, 29082), (6660, 25807), (7092, 24235), (7289, 23580), (7860, 21867), (8865, 19388), (9694, 17730), (11790, 14578), (11820, 14541)]