68988780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18251}}^1$

素因数の和:18276

約数の個数: 96

約数和(自身を含む): 245306880

約数和(自身を除く): 176318100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18251, 36502, 54753, 73004, 91255, 109506, 127757, 164259, 182510, 219012, 255514, 273765, 328518, 365020, 383271, 492777, 511028, 547530, 638785, 657036, 766542, 821295, 985554, 1095060, 1149813, 1277570, 1533084, 1642590, 1916355, 1971108, 2299626, 2463885, 2555140, 3285180, 3449439, 3832710, 4599252, 4927770, 5749065, 6898878, 7665420, 9855540, 11498130, 13797756, 17247195, 22996260, 34494390, 68988780]

約数ペア:

[(1, 68988780), (2, 34494390), (3, 22996260), (4, 17247195), (5, 13797756), (6, 11498130), (7, 9855540), (9, 7665420), (10, 6898878), (12, 5749065), (14, 4927770), (15, 4599252), (18, 3832710), (20, 3449439), (21, 3285180), (27, 2555140), (28, 2463885), (30, 2299626), (35, 1971108), (36, 1916355), (42, 1642590), (45, 1533084), (54, 1277570), (60, 1149813), (63, 1095060), (70, 985554), (84, 821295), (90, 766542), (105, 657036), (108, 638785), (126, 547530), (135, 511028), (140, 492777), (180, 383271), (189, 365020), (210, 328518), (252, 273765), (270, 255514), (315, 219012), (378, 182510), (420, 164259), (540, 127757), (630, 109506), (756, 91255), (945, 73004), (1260, 54753), (1890, 36502), (3780, 18251)]