15573020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 34963488

約数和(自身を除く): 19390468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 281, 326, 340, 562, 652, 815, 1124, 1405, 1630, 2771, 2810, 3260, 4777, 5542, 5620, 9554, 11084, 13855, 19108, 23885, 27710, 45803, 47770, 55420, 91606, 95540, 183212, 229015, 458030, 778651, 916060, 1557302, 3114604, 3893255, 7786510, 15573020]

約数ペア:

[(1, 15573020), (2, 7786510), (4, 3893255), (5, 3114604), (10, 1557302), (17, 916060), (20, 778651), (34, 458030), (68, 229015), (85, 183212), (163, 95540), (170, 91606), (281, 55420), (326, 47770), (340, 45803), (562, 27710), (652, 23885), (815, 19108), (1124, 13855), (1405, 11084), (1630, 9554), (2771, 5620), (2810, 5542), (3260, 4777)]