77145720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642881}}^1$

素因数の和:642895

約数の個数: 32

約数和(自身を含む): 231437520

約数和(自身を除く): 154291800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642881, 1285762, 1928643, 2571524, 3214405, 3857286, 5143048, 6428810, 7714572, 9643215, 12857620, 15429144, 19286430, 25715240, 38572860, 77145720]

約数ペア:

[(1, 77145720), (2, 38572860), (3, 25715240), (4, 19286430), (5, 15429144), (6, 12857620), (8, 9643215), (10, 7714572), (12, 6428810), (15, 5143048), (20, 3857286), (24, 3214405), (30, 2571524), (40, 1928643), (60, 1285762), (120, 642881)]