340875640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1373

約数の個数: 128

約数和(自身を含む): 937681920

約数和(自身を除く): 596806280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 280, 287, 322, 328, 410, 460, 574, 644, 805, 820, 920, 943, 1148, 1288, 1291, 1435, 1610, 1640, 1886, 2296, 2582, 2870, 3220, 3772, 4715, 5164, 5740, 6440, 6455, 6601, 7544, 9037, 9430, 10328, 11480, 12910, 13202, 18074, 18860, 25820, 26404, 29693, 33005, 36148, 37720, 45185, 51640, 52808, 52931, 59386, 66010, 72296, 90370, 105862, 118772, 132020, 148465, 180740, 207851, 211724, 237544, 264040, 264655, 296930, 361480, 370517, 415702, 423448, 529310, 593860, 741034, 831404, 1039255, 1058620, 1187720, 1217413, 1482068, 1662808, 1852585, 2078510, 2117240, 2434826, 2964136, 3705170, 4157020, 4869652, 6087065, 7410340, 8314040, 8521891, 9739304, 12174130, 14820680, 17043782, 24348260, 34087564, 42609455, 48696520, 68175128, 85218910, 170437820, 340875640]

約数ペア:

[(1, 340875640), (2, 170437820), (4, 85218910), (5, 68175128), (7, 48696520), (8, 42609455), (10, 34087564), (14, 24348260), (20, 17043782), (23, 14820680), (28, 12174130), (35, 9739304), (40, 8521891), (41, 8314040), (46, 7410340), (56, 6087065), (70, 4869652), (82, 4157020), (92, 3705170), (115, 2964136), (140, 2434826), (161, 2117240), (164, 2078510), (184, 1852585), (205, 1662808), (230, 1482068), (280, 1217413), (287, 1187720), (322, 1058620), (328, 1039255), (410, 831404), (460, 741034), (574, 593860), (644, 529310), (805, 423448), (820, 415702), (920, 370517), (943, 361480), (1148, 296930), (1288, 264655), (1291, 264040), (1435, 237544), (1610, 211724), (1640, 207851), (1886, 180740), (2296, 148465), (2582, 132020), (2870, 118772), (3220, 105862), (3772, 90370), (4715, 72296), (5164, 66010), (5740, 59386), (6440, 52931), (6455, 52808), (6601, 51640), (7544, 45185), (9037, 37720), (9430, 36148), (10328, 33005), (11480, 29693), (12910, 26404), (13202, 25820), (18074, 18860)]