30171720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251431}}^1$

素因数の和:251445

約数の個数: 32

約数和(自身を含む): 90515520

約数和(自身を除く): 60343800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251431, 502862, 754293, 1005724, 1257155, 1508586, 2011448, 2514310, 3017172, 3771465, 5028620, 6034344, 7542930, 10057240, 15085860, 30171720]

約数ペア:

[(1, 30171720), (2, 15085860), (3, 10057240), (4, 7542930), (5, 6034344), (6, 5028620), (8, 3771465), (10, 3017172), (12, 2514310), (15, 2011448), (20, 1508586), (24, 1257155), (30, 1005724), (40, 754293), (60, 502862), (120, 251431)]