31443930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 97320960

約数和(自身を除く): 65877030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 127, 131, 135, 189, 210, 254, 262, 270, 315, 378, 381, 393, 630, 635, 655, 762, 786, 889, 917, 945, 1143, 1179, 1270, 1310, 1778, 1834, 1890, 1905, 1965, 2286, 2358, 2667, 2751, 3429, 3537, 3810, 3930, 4445, 4585, 5334, 5502, 5715, 5895, 6858, 7074, 8001, 8253, 8890, 9170, 11430, 11790, 13335, 13755, 16002, 16506, 16637, 17145, 17685, 24003, 24759, 26670, 27510, 33274, 34290, 35370, 40005, 41265, 48006, 49518, 49911, 80010, 82530, 83185, 99822, 116459, 120015, 123795, 149733, 166370, 232918, 240030, 247590, 249555, 299466, 349377, 449199, 499110, 582295, 698754, 748665, 898398, 1048131, 1164590, 1497330, 1746885, 2096262, 2245995, 3144393, 3493770, 4491990, 5240655, 6288786, 10481310, 15721965, 31443930]

約数ペア:

[(1, 31443930), (2, 15721965), (3, 10481310), (5, 6288786), (6, 5240655), (7, 4491990), (9, 3493770), (10, 3144393), (14, 2245995), (15, 2096262), (18, 1746885), (21, 1497330), (27, 1164590), (30, 1048131), (35, 898398), (42, 748665), (45, 698754), (54, 582295), (63, 499110), (70, 449199), (90, 349377), (105, 299466), (126, 249555), (127, 247590), (131, 240030), (135, 232918), (189, 166370), (210, 149733), (254, 123795), (262, 120015), (270, 116459), (315, 99822), (378, 83185), (381, 82530), (393, 80010), (630, 49911), (635, 49518), (655, 48006), (762, 41265), (786, 40005), (889, 35370), (917, 34290), (945, 33274), (1143, 27510), (1179, 26670), (1270, 24759), (1310, 24003), (1778, 17685), (1834, 17145), (1890, 16637), (1905, 16506), (1965, 16002), (2286, 13755), (2358, 13335), (2667, 11790), (2751, 11430), (3429, 9170), (3537, 8890), (3810, 8253), (3930, 8001), (4445, 7074), (4585, 6858), (5334, 5895), (5502, 5715)]