15211420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 21560420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 607, 716, 895, 1214, 1253, 1790, 2428, 2506, 3035, 3580, 4249, 5012, 6070, 6265, 8498, 12140, 12530, 16996, 21245, 25060, 42490, 84980, 108653, 217306, 434612, 543265, 760571, 1086530, 1521142, 2173060, 3042284, 3802855, 7605710, 15211420]

約数ペア:

[(1, 15211420), (2, 7605710), (4, 3802855), (5, 3042284), (7, 2173060), (10, 1521142), (14, 1086530), (20, 760571), (28, 543265), (35, 434612), (70, 217306), (140, 108653), (179, 84980), (358, 42490), (607, 25060), (716, 21245), (895, 16996), (1214, 12530), (1253, 12140), (1790, 8498), (2428, 6265), (2506, 6070), (3035, 5012), (3580, 4249)]