15208020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28163}}^1$

素因数の和:28181

約数の個数: 48

約数和(自身を含む): 47315520

約数和(自身を除く): 32107500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 28163, 56326, 84489, 112652, 140815, 168978, 253467, 281630, 337956, 422445, 506934, 563260, 760401, 844890, 1013868, 1267335, 1520802, 1689780, 2534670, 3041604, 3802005, 5069340, 7604010, 15208020]

約数ペア:

[(1, 15208020), (2, 7604010), (3, 5069340), (4, 3802005), (5, 3041604), (6, 2534670), (9, 1689780), (10, 1520802), (12, 1267335), (15, 1013868), (18, 844890), (20, 760401), (27, 563260), (30, 506934), (36, 422445), (45, 337956), (54, 281630), (60, 253467), (90, 168978), (108, 140815), (135, 112652), (180, 84489), (270, 56326), (540, 28163)]