258854520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2157121}}^1$

素因数の和:2157135

約数の個数: 32

約数和(自身を含む): 776563920

約数和(自身を除く): 517709400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2157121, 4314242, 6471363, 8628484, 10785605, 12942726, 17256968, 21571210, 25885452, 32356815, 43142420, 51770904, 64713630, 86284840, 129427260, 258854520]

約数ペア:

[(1, 258854520), (2, 129427260), (3, 86284840), (4, 64713630), (5, 51770904), (6, 43142420), (8, 32356815), (10, 25885452), (12, 21571210), (15, 17256968), (20, 12942726), (24, 10785605), (30, 8628484), (40, 6471363), (60, 4314242), (120, 2157121)]