15780690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 42433920

約数和(自身を除く): 26653230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 277, 422, 554, 633, 831, 1055, 1266, 1385, 1662, 1899, 2110, 2493, 2770, 3165, 3798, 4155, 4986, 5697, 6330, 7479, 8310, 9495, 11394, 12465, 14958, 18990, 24930, 28485, 37395, 56970, 58447, 74790, 116894, 175341, 292235, 350682, 526023, 584470, 876705, 1052046, 1578069, 1753410, 2630115, 3156138, 5260230, 7890345, 15780690]

約数ペア:

[(1, 15780690), (2, 7890345), (3, 5260230), (5, 3156138), (6, 2630115), (9, 1753410), (10, 1578069), (15, 1052046), (18, 876705), (27, 584470), (30, 526023), (45, 350682), (54, 292235), (90, 175341), (135, 116894), (211, 74790), (270, 58447), (277, 56970), (422, 37395), (554, 28485), (633, 24930), (831, 18990), (1055, 14958), (1266, 12465), (1385, 11394), (1662, 9495), (1899, 8310), (2110, 7479), (2493, 6330), (2770, 5697), (3165, 4986), (3798, 4155)]