157021520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 231882160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 263, 272, 340, 439, 526, 680, 878, 1052, 1315, 1360, 1756, 2104, 2195, 2630, 3512, 4208, 4390, 4471, 5260, 7024, 7463, 8780, 8942, 10520, 14926, 17560, 17884, 21040, 22355, 29852, 35120, 35768, 37315, 44710, 59704, 71536, 74630, 89420, 115457, 119408, 149260, 178840, 230914, 298520, 357680, 461828, 577285, 597040, 923656, 1154570, 1847312, 1962769, 2309140, 3925538, 4618280, 7851076, 9236560, 9813845, 15702152, 19627690, 31404304, 39255380, 78510760, 157021520]

約数ペア:

[(1, 157021520), (2, 78510760), (4, 39255380), (5, 31404304), (8, 19627690), (10, 15702152), (16, 9813845), (17, 9236560), (20, 7851076), (34, 4618280), (40, 3925538), (68, 2309140), (80, 1962769), (85, 1847312), (136, 1154570), (170, 923656), (263, 597040), (272, 577285), (340, 461828), (439, 357680), (526, 298520), (680, 230914), (878, 178840), (1052, 149260), (1315, 119408), (1360, 115457), (1756, 89420), (2104, 74630), (2195, 71536), (2630, 59704), (3512, 44710), (4208, 37315), (4390, 35768), (4471, 35120), (5260, 29852), (7024, 22355), (7463, 21040), (8780, 17884), (8942, 17560), (10520, 14926)]