30891420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24517}}^1$

素因数の和:24539

約数の個数: 72

約数和(自身を含む): 107094624

約数和(自身を除く): 76203204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24517, 49034, 73551, 98068, 122585, 147102, 171619, 220653, 245170, 294204, 343238, 367755, 441306, 490340, 514857, 686476, 735510, 858095, 882612, 1029714, 1103265, 1471020, 1544571, 1716190, 2059428, 2206530, 2574285, 3089142, 3432380, 4413060, 5148570, 6178284, 7722855, 10297140, 15445710, 30891420]

約数ペア:

[(1, 30891420), (2, 15445710), (3, 10297140), (4, 7722855), (5, 6178284), (6, 5148570), (7, 4413060), (9, 3432380), (10, 3089142), (12, 2574285), (14, 2206530), (15, 2059428), (18, 1716190), (20, 1544571), (21, 1471020), (28, 1103265), (30, 1029714), (35, 882612), (36, 858095), (42, 735510), (45, 686476), (60, 514857), (63, 490340), (70, 441306), (84, 367755), (90, 343238), (105, 294204), (126, 245170), (140, 220653), (180, 171619), (210, 147102), (252, 122585), (315, 98068), (420, 73551), (630, 49034), (1260, 24517)]