154783920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{644933}}^1$

素因数の和:644949

約数の個数: 40

約数和(自身を含む): 479830896

約数和(自身を除く): 325046976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 644933, 1289866, 1934799, 2579732, 3224665, 3869598, 5159464, 6449330, 7739196, 9673995, 10318928, 12898660, 15478392, 19347990, 25797320, 30956784, 38695980, 51594640, 77391960, 154783920]

約数ペア:

[(1, 154783920), (2, 77391960), (3, 51594640), (4, 38695980), (5, 30956784), (6, 25797320), (8, 19347990), (10, 15478392), (12, 12898660), (15, 10318928), (16, 9673995), (20, 7739196), (24, 6449330), (30, 5159464), (40, 3869598), (48, 3224665), (60, 2579732), (80, 1934799), (120, 1289866), (240, 644933)]