15181620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 27819660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 2843, 5340, 5686, 8529, 11372, 14215, 17058, 28430, 34116, 42645, 56860, 85290, 170580, 253027, 506054, 759081, 1012108, 1265135, 1518162, 2530270, 3036324, 3795405, 5060540, 7590810, 15181620]

約数ペア:

[(1, 15181620), (2, 7590810), (3, 5060540), (4, 3795405), (5, 3036324), (6, 2530270), (10, 1518162), (12, 1265135), (15, 1012108), (20, 759081), (30, 506054), (60, 253027), (89, 170580), (178, 85290), (267, 56860), (356, 42645), (445, 34116), (534, 28430), (890, 17058), (1068, 14215), (1335, 11372), (1780, 8529), (2670, 5686), (2843, 5340)]