122942720

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 297034080

約数和(自身を除く): 174091360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 691, 695, 1112, 1280, 1382, 1390, 2224, 2764, 2780, 3455, 4448, 5528, 5560, 6910, 8896, 11056, 11120, 13820, 17792, 22112, 22240, 27640, 35584, 44224, 44480, 55280, 88448, 88960, 96049, 110560, 176896, 177920, 192098, 221120, 384196, 442240, 480245, 768392, 884480, 960490, 1536784, 1920980, 3073568, 3841960, 6147136, 7683920, 12294272, 15367840, 24588544, 30735680, 61471360, 122942720]

約数ペア:

[(1, 122942720), (2, 61471360), (4, 30735680), (5, 24588544), (8, 15367840), (10, 12294272), (16, 7683920), (20, 6147136), (32, 3841960), (40, 3073568), (64, 1920980), (80, 1536784), (128, 960490), (139, 884480), (160, 768392), (256, 480245), (278, 442240), (320, 384196), (556, 221120), (640, 192098), (691, 177920), (695, 176896), (1112, 110560), (1280, 96049), (1382, 88960), (1390, 88448), (2224, 55280), (2764, 44480), (2780, 44224), (3455, 35584), (4448, 27640), (5528, 22240), (5560, 22112), (6910, 17792), (8896, 13820), (11056, 11120)]