12551940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 38427480

約数和(自身を除く): 25875540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 509, 548, 685, 822, 1018, 1233, 1370, 1527, 1644, 2036, 2055, 2466, 2545, 2740, 3054, 4110, 4581, 4932, 5090, 6108, 6165, 7635, 8220, 9162, 10180, 12330, 15270, 18324, 22905, 24660, 30540, 45810, 69733, 91620, 139466, 209199, 278932, 348665, 418398, 627597, 697330, 836796, 1045995, 1255194, 1394660, 2091990, 2510388, 3137985, 4183980, 6275970, 12551940]

約数ペア:

[(1, 12551940), (2, 6275970), (3, 4183980), (4, 3137985), (5, 2510388), (6, 2091990), (9, 1394660), (10, 1255194), (12, 1045995), (15, 836796), (18, 697330), (20, 627597), (30, 418398), (36, 348665), (45, 278932), (60, 209199), (90, 139466), (137, 91620), (180, 69733), (274, 45810), (411, 30540), (509, 24660), (548, 22905), (685, 18324), (822, 15270), (1018, 12330), (1233, 10180), (1370, 9162), (1527, 8220), (1644, 7635), (2036, 6165), (2055, 6108), (2466, 5090), (2545, 4932), (2740, 4581), (3054, 4110)]