69105920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4187

約数の個数: 72

約数和(自身を含む): 178306296

約数和(自身を除く): 109200376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4153, 4160, 8306, 8320, 16612, 16640, 20765, 33224, 41530, 53989, 66448, 83060, 107978, 132896, 166120, 215956, 265792, 269945, 332240, 431912, 531584, 539890, 664480, 863824, 1063168, 1079780, 1328960, 1727648, 2159560, 2657920, 3455296, 4319120, 5315840, 6910592, 8638240, 13821184, 17276480, 34552960, 69105920]

約数ペア:

[(1, 69105920), (2, 34552960), (4, 17276480), (5, 13821184), (8, 8638240), (10, 6910592), (13, 5315840), (16, 4319120), (20, 3455296), (26, 2657920), (32, 2159560), (40, 1727648), (52, 1328960), (64, 1079780), (65, 1063168), (80, 863824), (104, 664480), (128, 539890), (130, 531584), (160, 431912), (208, 332240), (256, 269945), (260, 265792), (320, 215956), (416, 166120), (520, 132896), (640, 107978), (832, 83060), (1040, 66448), (1280, 53989), (1664, 41530), (2080, 33224), (3328, 20765), (4153, 16640), (4160, 16612), (8306, 8320)]