280522224

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{20947}}^1$

素因数の和:20995

約数の個数: 80

約数和(自身を含む): 831216640

約数和(自身を除く): 550694416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 20947, 41894, 62841, 83788, 125682, 167576, 188523, 251364, 335152, 377046, 502728, 565569, 649357, 754092, 1005456, 1131138, 1298714, 1508184, 1948071, 2262276, 2597428, 3016368, 3896142, 4524552, 5194856, 5844213, 7792284, 9049104, 10389712, 11688426, 15584568, 17532639, 23376852, 31169136, 35065278, 46753704, 70130556, 93507408, 140261112, 280522224]

約数ペア:

[(1, 280522224), (2, 140261112), (3, 93507408), (4, 70130556), (6, 46753704), (8, 35065278), (9, 31169136), (12, 23376852), (16, 17532639), (18, 15584568), (24, 11688426), (27, 10389712), (31, 9049104), (36, 7792284), (48, 5844213), (54, 5194856), (62, 4524552), (72, 3896142), (93, 3016368), (108, 2597428), (124, 2262276), (144, 1948071), (186, 1508184), (216, 1298714), (248, 1131138), (279, 1005456), (372, 754092), (432, 649357), (496, 565569), (558, 502728), (744, 377046), (837, 335152), (1116, 251364), (1488, 188523), (1674, 167576), (2232, 125682), (3348, 83788), (4464, 62841), (6696, 41894), (13392, 20947)]