28731720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239431}}^1$

素因数の和:239445

約数の個数: 32

約数和(自身を含む): 86195520

約数和(自身を除く): 57463800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239431, 478862, 718293, 957724, 1197155, 1436586, 1915448, 2394310, 2873172, 3591465, 4788620, 5746344, 7182930, 9577240, 14365860, 28731720]

約数ペア:

[(1, 28731720), (2, 14365860), (3, 9577240), (4, 7182930), (5, 5746344), (6, 4788620), (8, 3591465), (10, 2873172), (12, 2394310), (15, 1915448), (20, 1436586), (24, 1197155), (30, 957724), (40, 718293), (60, 478862), (120, 239431)]