121381680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72251}}^1$

素因数の和:72274

約数の個数: 80

約数和(自身を含む): 430043904

約数和(自身を除く): 308662224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72251, 144502, 216753, 289004, 361255, 433506, 505757, 578008, 722510, 867012, 1011514, 1083765, 1156016, 1445020, 1517271, 1734024, 2023028, 2167530, 2528785, 2890040, 3034542, 3468048, 4046056, 4335060, 5057570, 5780080, 6069084, 7586355, 8092112, 8670120, 10115140, 12138168, 15172710, 17340240, 20230280, 24276336, 30345420, 40460560, 60690840, 121381680]

約数ペア:

[(1, 121381680), (2, 60690840), (3, 40460560), (4, 30345420), (5, 24276336), (6, 20230280), (7, 17340240), (8, 15172710), (10, 12138168), (12, 10115140), (14, 8670120), (15, 8092112), (16, 7586355), (20, 6069084), (21, 5780080), (24, 5057570), (28, 4335060), (30, 4046056), (35, 3468048), (40, 3034542), (42, 2890040), (48, 2528785), (56, 2167530), (60, 2023028), (70, 1734024), (80, 1517271), (84, 1445020), (105, 1156016), (112, 1083765), (120, 1011514), (140, 867012), (168, 722510), (210, 578008), (240, 505757), (280, 433506), (336, 361255), (420, 289004), (560, 216753), (840, 144502), (1680, 72251)]