1330485760

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3739}}^1$

素因数の和:3901

約数の個数: 80

約数和(自身を含む): 3213856800

約数和(自身を除く): 1883371040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 640, 695, 1112, 1280, 1390, 2224, 2560, 2780, 3739, 4448, 5560, 7478, 8896, 11120, 14956, 17792, 18695, 22240, 29912, 35584, 37390, 44480, 59824, 71168, 74780, 88960, 119648, 149560, 177920, 239296, 299120, 355840, 478592, 519721, 598240, 957184, 1039442, 1196480, 1914368, 2078884, 2392960, 2598605, 4157768, 4785920, 5197210, 8315536, 9571840, 10394420, 16631072, 20788840, 33262144, 41577680, 66524288, 83155360, 133048576, 166310720, 266097152, 332621440, 665242880, 1330485760]

約数ペア:

[(1, 1330485760), (2, 665242880), (4, 332621440), (5, 266097152), (8, 166310720), (10, 133048576), (16, 83155360), (20, 66524288), (32, 41577680), (40, 33262144), (64, 20788840), (80, 16631072), (128, 10394420), (139, 9571840), (160, 8315536), (256, 5197210), (278, 4785920), (320, 4157768), (512, 2598605), (556, 2392960), (640, 2078884), (695, 1914368), (1112, 1196480), (1280, 1039442), (1390, 957184), (2224, 598240), (2560, 519721), (2780, 478592), (3739, 355840), (4448, 299120), (5560, 239296), (7478, 177920), (8896, 149560), (11120, 119648), (14956, 88960), (17792, 74780), (18695, 71168), (22240, 59824), (29912, 44480), (35584, 37390)]