2006295975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15205

約数の個数: 72

約数和(自身を含む): 3904908800

約数和(自身を除く): 1898612825

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 589, 775, 855, 1395, 1425, 1767, 2325, 2945, 4275, 5301, 6975, 8835, 14725, 15139, 26505, 44175, 45417, 75695, 132525, 136251, 227085, 287641, 378475, 469309, 681255, 862923, 1135425, 1407927, 1438205, 2346545, 2588769, 3406275, 4223781, 4314615, 7039635, 7191025, 8916871, 11732725, 12943845, 21118905, 21573075, 26750613, 35198175, 44584355, 64719225, 80251839, 105594525, 133753065, 222921775, 401259195, 668765325, 2006295975]

約数ペア:

[(1, 2006295975), (3, 668765325), (5, 401259195), (9, 222921775), (15, 133753065), (19, 105594525), (25, 80251839), (31, 64719225), (45, 44584355), (57, 35198175), (75, 26750613), (93, 21573075), (95, 21118905), (155, 12943845), (171, 11732725), (225, 8916871), (279, 7191025), (285, 7039635), (465, 4314615), (475, 4223781), (589, 3406275), (775, 2588769), (855, 2346545), (1395, 1438205), (1425, 1407927), (1767, 1135425), (2325, 862923), (2945, 681255), (4275, 469309), (5301, 378475), (6975, 287641), (8835, 227085), (14725, 136251), (15139, 132525), (26505, 75695), (44175, 45417)]