15256020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19559}}^1$

素因数の和:19584

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 30749100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19559, 39118, 58677, 78236, 97795, 117354, 195590, 234708, 254267, 293385, 391180, 508534, 586770, 762801, 1017068, 1173540, 1271335, 1525602, 2542670, 3051204, 3814005, 5085340, 7628010, 15256020]

約数ペア:

[(1, 15256020), (2, 7628010), (3, 5085340), (4, 3814005), (5, 3051204), (6, 2542670), (10, 1525602), (12, 1271335), (13, 1173540), (15, 1017068), (20, 762801), (26, 586770), (30, 508534), (39, 391180), (52, 293385), (60, 254267), (65, 234708), (78, 195590), (130, 117354), (156, 97795), (195, 78236), (260, 58677), (390, 39118), (780, 19559)]