131554480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 347120640

約数和(自身を除く): 215566160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 53, 71, 76, 80, 92, 95, 106, 115, 142, 152, 184, 190, 212, 230, 265, 284, 304, 355, 368, 380, 424, 437, 460, 530, 568, 710, 760, 848, 874, 920, 1007, 1060, 1136, 1219, 1349, 1420, 1520, 1633, 1748, 1840, 2014, 2120, 2185, 2438, 2698, 2840, 3266, 3496, 3763, 4028, 4240, 4370, 4876, 5035, 5396, 5680, 6095, 6532, 6745, 6992, 7526, 8056, 8165, 8740, 9752, 10070, 10792, 12190, 13064, 13490, 15052, 16112, 16330, 17480, 18815, 19504, 20140, 21584, 23161, 24380, 26128, 26980, 30104, 31027, 32660, 34960, 37630, 40280, 46322, 48760, 53960, 60208, 62054, 65320, 71497, 75260, 80560, 86549, 92644, 97520, 107920, 115805, 124108, 130640, 142994, 150520, 155135, 173098, 185288, 231610, 248216, 285988, 301040, 310270, 346196, 357485, 370576, 432745, 463220, 496432, 571976, 620540, 692392, 714970, 865490, 926440, 1143952, 1241080, 1384784, 1429940, 1644431, 1730980, 1852880, 2482160, 2859880, 3288862, 3461960, 5719760, 6577724, 6923920, 8222155, 13155448, 16444310, 26310896, 32888620, 65777240, 131554480]

約数ペア:

[(1, 131554480), (2, 65777240), (4, 32888620), (5, 26310896), (8, 16444310), (10, 13155448), (16, 8222155), (19, 6923920), (20, 6577724), (23, 5719760), (38, 3461960), (40, 3288862), (46, 2859880), (53, 2482160), (71, 1852880), (76, 1730980), (80, 1644431), (92, 1429940), (95, 1384784), (106, 1241080), (115, 1143952), (142, 926440), (152, 865490), (184, 714970), (190, 692392), (212, 620540), (230, 571976), (265, 496432), (284, 463220), (304, 432745), (355, 370576), (368, 357485), (380, 346196), (424, 310270), (437, 301040), (460, 285988), (530, 248216), (568, 231610), (710, 185288), (760, 173098), (848, 155135), (874, 150520), (920, 142994), (1007, 130640), (1060, 124108), (1136, 115805), (1219, 107920), (1349, 97520), (1420, 92644), (1520, 86549), (1633, 80560), (1748, 75260), (1840, 71497), (2014, 65320), (2120, 62054), (2185, 60208), (2438, 53960), (2698, 48760), (2840, 46322), (3266, 40280), (3496, 37630), (3763, 34960), (4028, 32660), (4240, 31027), (4370, 30104), (4876, 26980), (5035, 26128), (5396, 24380), (5680, 23161), (6095, 21584), (6532, 20140), (6745, 19504), (6992, 18815), (7526, 17480), (8056, 16330), (8165, 16112), (8740, 15052), (9752, 13490), (10070, 13064), (10792, 12190)]