1720232505

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 3129523200

約数和(自身を除く): 1409290695

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 101, 135, 237, 303, 395, 505, 711, 909, 1185, 1515, 1597, 2133, 2727, 3555, 4545, 4791, 7979, 7985, 10665, 13635, 14373, 23937, 23955, 39895, 43119, 71811, 71865, 119685, 126163, 161297, 215433, 215595, 359055, 378489, 483891, 630815, 806485, 1077165, 1135467, 1451673, 1892445, 2419455, 3406401, 4355019, 5677335, 7258365, 12742463, 17032005, 21775095, 38227389, 63712315, 114682167, 191136945, 344046501, 573410835, 1720232505]

約数ペア:

[(1, 1720232505), (3, 573410835), (5, 344046501), (9, 191136945), (15, 114682167), (27, 63712315), (45, 38227389), (79, 21775095), (101, 17032005), (135, 12742463), (237, 7258365), (303, 5677335), (395, 4355019), (505, 3406401), (711, 2419455), (909, 1892445), (1185, 1451673), (1515, 1135467), (1597, 1077165), (2133, 806485), (2727, 630815), (3555, 483891), (4545, 378489), (4791, 359055), (7979, 215595), (7985, 215433), (10665, 161297), (13635, 126163), (14373, 119685), (23937, 71865), (23955, 71811), (39895, 43119)]