77451720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{645431}}^1$

素因数の和:645445

約数の個数: 32

約数和(自身を含む): 232355520

約数和(自身を除く): 154903800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 645431, 1290862, 1936293, 2581724, 3227155, 3872586, 5163448, 6454310, 7745172, 9681465, 12908620, 15490344, 19362930, 25817240, 38725860, 77451720]

約数ペア:

[(1, 77451720), (2, 38725860), (3, 25817240), (4, 19362930), (5, 15490344), (6, 12908620), (8, 9681465), (10, 7745172), (12, 6454310), (15, 5163448), (20, 3872586), (24, 3227155), (30, 2581724), (40, 1936293), (60, 1290862), (120, 645431)]