81629340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 247759680

約数和(自身を除く): 166130340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 390, 457, 458, 687, 780, 914, 916, 1145, 1371, 1374, 1828, 2285, 2290, 2742, 2748, 2977, 3435, 4570, 4580, 5484, 5941, 5954, 6855, 6870, 8931, 9140, 11882, 11908, 13710, 13740, 14885, 17823, 17862, 23764, 27420, 29705, 29770, 35646, 35724, 44655, 59410, 59540, 71292, 89115, 89310, 104653, 118820, 178230, 178620, 209306, 313959, 356460, 418612, 523265, 627918, 1046530, 1255836, 1360489, 1569795, 2093060, 2720978, 3139590, 4081467, 5441956, 6279180, 6802445, 8162934, 13604890, 16325868, 20407335, 27209780, 40814670, 81629340]

約数ペア:

[(1, 81629340), (2, 40814670), (3, 27209780), (4, 20407335), (5, 16325868), (6, 13604890), (10, 8162934), (12, 6802445), (13, 6279180), (15, 5441956), (20, 4081467), (26, 3139590), (30, 2720978), (39, 2093060), (52, 1569795), (60, 1360489), (65, 1255836), (78, 1046530), (130, 627918), (156, 523265), (195, 418612), (229, 356460), (260, 313959), (390, 209306), (457, 178620), (458, 178230), (687, 118820), (780, 104653), (914, 89310), (916, 89115), (1145, 71292), (1371, 59540), (1374, 59410), (1828, 44655), (2285, 35724), (2290, 35646), (2742, 29770), (2748, 29705), (2977, 27420), (3435, 23764), (4570, 17862), (4580, 17823), (5484, 14885), (5941, 13740), (5954, 13710), (6855, 11908), (6870, 11882), (8931, 9140)]