77320920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{644341}}^1$

素因数の和:644355

約数の個数: 32

約数和(自身を含む): 231963120

約数和(自身を除く): 154642200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 644341, 1288682, 1933023, 2577364, 3221705, 3866046, 5154728, 6443410, 7732092, 9665115, 12886820, 15464184, 19330230, 25773640, 38660460, 77320920]

約数ペア:

[(1, 77320920), (2, 38660460), (3, 25773640), (4, 19330230), (5, 15464184), (6, 12886820), (8, 9665115), (10, 7732092), (12, 6443410), (15, 5154728), (20, 3866046), (24, 3221705), (30, 2577364), (40, 1933023), (60, 1288682), (120, 644341)]