156987520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 407151360

約数和(自身を除く): 250163840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 136, 160, 170, 188, 235, 272, 307, 320, 340, 376, 470, 544, 614, 640, 680, 752, 799, 940, 1088, 1228, 1360, 1504, 1535, 1598, 1880, 2176, 2456, 2720, 3008, 3070, 3196, 3760, 3995, 4912, 5219, 5440, 6016, 6140, 6392, 7520, 7990, 9824, 10438, 10880, 12280, 12784, 14429, 15040, 15980, 19648, 20876, 24560, 25568, 26095, 28858, 30080, 31960, 39296, 41752, 49120, 51136, 52190, 57716, 63920, 72145, 83504, 98240, 102272, 104380, 115432, 127840, 144290, 167008, 196480, 208760, 230864, 245293, 255680, 288580, 334016, 417520, 461728, 490586, 511360, 577160, 668032, 835040, 923456, 981172, 1154320, 1226465, 1670080, 1846912, 1962344, 2308640, 2452930, 3340160, 3924688, 4617280, 4905860, 7849376, 9234560, 9811720, 15698752, 19623440, 31397504, 39246880, 78493760, 156987520]

約数ペア:

[(1, 156987520), (2, 78493760), (4, 39246880), (5, 31397504), (8, 19623440), (10, 15698752), (16, 9811720), (17, 9234560), (20, 7849376), (32, 4905860), (34, 4617280), (40, 3924688), (47, 3340160), (64, 2452930), (68, 2308640), (80, 1962344), (85, 1846912), (94, 1670080), (128, 1226465), (136, 1154320), (160, 981172), (170, 923456), (188, 835040), (235, 668032), (272, 577160), (307, 511360), (320, 490586), (340, 461728), (376, 417520), (470, 334016), (544, 288580), (614, 255680), (640, 245293), (680, 230864), (752, 208760), (799, 196480), (940, 167008), (1088, 144290), (1228, 127840), (1360, 115432), (1504, 104380), (1535, 102272), (1598, 98240), (1880, 83504), (2176, 72145), (2456, 63920), (2720, 57716), (3008, 52190), (3070, 51136), (3196, 49120), (3760, 41752), (3995, 39296), (4912, 31960), (5219, 30080), (5440, 28858), (6016, 26095), (6140, 25568), (6392, 24560), (7520, 20876), (7990, 19648), (9824, 15980), (10438, 15040), (10880, 14429), (12280, 12784)]