1215420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 3483648

約数和(自身を除く): 2268228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 431, 470, 564, 705, 862, 940, 1293, 1410, 1724, 2155, 2586, 2820, 4310, 5172, 6465, 8620, 12930, 20257, 25860, 40514, 60771, 81028, 101285, 121542, 202570, 243084, 303855, 405140, 607710, 1215420]

約数ペア:

[(1, 1215420), (2, 607710), (3, 405140), (4, 303855), (5, 243084), (6, 202570), (10, 121542), (12, 101285), (15, 81028), (20, 60771), (30, 40514), (47, 25860), (60, 20257), (94, 12930), (141, 8620), (188, 6465), (235, 5172), (282, 4310), (431, 2820), (470, 2586), (564, 2155), (705, 1724), (862, 1410), (940, 1293)]