155160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 505440

約数和(自身を除く): 350280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 862, 1293, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 7758, 8620, 10344, 12930, 15516, 17240, 19395, 25860, 31032, 38790, 51720, 77580, 155160]

約数ペア:

[(1, 155160), (2, 77580), (3, 51720), (4, 38790), (5, 31032), (6, 25860), (8, 19395), (9, 17240), (10, 15516), (12, 12930), (15, 10344), (18, 8620), (20, 7758), (24, 6465), (30, 5172), (36, 4310), (40, 3879), (45, 3448), (60, 2586), (72, 2155), (90, 1724), (120, 1293), (180, 862), (360, 431)]