74547760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{133121}}^1$

素因数の和:133141

約数の個数: 40

約数和(自身を含む): 198085536

約数和(自身を除く): 123537776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 133121, 266242, 532484, 665605, 931847, 1064968, 1331210, 1863694, 2129936, 2662420, 3727388, 4659235, 5324840, 7454776, 9318470, 10649680, 14909552, 18636940, 37273880, 74547760]

約数ペア:

[(1, 74547760), (2, 37273880), (4, 18636940), (5, 14909552), (7, 10649680), (8, 9318470), (10, 7454776), (14, 5324840), (16, 4659235), (20, 3727388), (28, 2662420), (35, 2129936), (40, 1863694), (56, 1331210), (70, 1064968), (80, 931847), (112, 665605), (140, 532484), (280, 266242), (560, 133121)]