77151720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642931}}^1$

素因数の和:642945

約数の個数: 32

約数和(自身を含む): 231455520

約数和(自身を除く): 154303800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642931, 1285862, 1928793, 2571724, 3214655, 3857586, 5143448, 6429310, 7715172, 9643965, 12858620, 15430344, 19287930, 25717240, 38575860, 77151720]

約数ペア:

[(1, 77151720), (2, 38575860), (3, 25717240), (4, 19287930), (5, 15430344), (6, 12858620), (8, 9643965), (10, 7715172), (12, 6429310), (15, 5143448), (20, 3857586), (24, 3214655), (30, 2571724), (40, 1928793), (60, 1285862), (120, 642931)]